northstar rx llc - Medication Listings

Atorvastatin is an inhibitor of 3-hydroxy-3-methylglutaryl-coenzyme A (HMG-CoA) reductase. The drug substance used in atorvastatin calcium tablets, USP is atorvastatin calcium in the form of propylene glycol solvate. The chemical name for atorvastatin calcium propylene glycol solvate is calcium bis((3R,5R)-7-[3-(anilinocarbonyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoate) propylene glycol solvate. The empirical formula of atorvastatin calcium propylene glycol solvate is C 66 H 68 CaF 2 N 4 O 10 * C 3 H 8 O 2 and its molecular weight is 1231.46 g/mol. Its structural formula is: Atorvastatin calcium is a white to off-white solid that is insoluble in aqueous solutions of pH 4 and below. Atorvastatin calcium is slightly soluble in distilled water, pH 7.4 phosphate buffer, and acetonitrile; slightly soluble in ethanol; and freely soluble in methanol. Atorvastatin calcium tablets, USP for oral administration contain atorvastatin 10, 20, 40, or 80 mg (equivalent to 11, 22, 44 or 88 mg atorvastatin calcium) and the following inactive ingredients: calcium acetate, colloidal silicon dioxide, croscarmellose sodium, hydroxypropyl cellulose, hypromellose, magnesium stearate (vegetable source), microcrystalline cellulose, polyethylene glycol, sodium carbonate, and titanium dioxide.

Metoprolol succinate, is a beta 1 -selective (cardioselective) adrenoceptor blocking agent, for oral administration, available as extended-release tablets. Metoprolol succinate extended-release tablets, USP have been formulated to provide a controlled and predictable release of metoprolol for once-daily administration. The tablets comprise a multiple unit system containing metoprolol succinate in a multitude of controlled release pellets. Each pellet acts as a separate drug delivery unit and is designed to deliver metoprolol continuously over the dosage interval. The tablets contain 23.75 mg and 47.5 mg of metoprolol succinate equivalent to 25 mg and 50 mg of metoprolol tartrate, USP, respectively. Its chemical name is (±)1- (isopropyl amino)-3-[p-(2-methoxyethyl) phenoxy]-2-propanol succinate (2:1) (salt). Its structural formula is: Metoprolol succinate, USP is a white to off white powder with a molecular weight of 652.8. It is freely soluble in water and soluble in methanol. Inactive ingredients: acetyl tributyl citrate, colloidal silicon dioxide, croscarmellose sodium, ethyl cellulose, hydrogenated vegetable oil, hydroxypropyl cellulose, hypromellose, methylene chloride, microcrystalline cellulose, polyethylene glycol, sodium stearyl fumarate, talc and titanium dioxide..

Metoprolol succinate, is a beta1-selective (cardioselective) adrenoceptor blocking agent, for oral administration, available as extended-release tablets. Metoprolol succinate extended-release tablets, USP have been formulated to provide a controlled and predictable release of metoprolol for once-daily administration. The tablets comprise a multiple unit system containing metoprolol succinate in a multitude of controlled release pellets. Each pellet acts as a separate drug delivery unit and is designed to deliver metoprolol continuously over the dosage interval. The tablets contain 95 mg and 190 mg of metoprolol succinate equivalent to 100 mg and 200 mg of metoprolol tartrate, USP, respectively. Its chemical name is (±) 1- (isopropyl amino)-3-[p-(2-methoxyethyl) phenoxy]-2-propanol succinate (2:1) (salt). Its structural formula is: Metoprolol succinate, USP is a white to off white powder with a molecular weight of 652.8. It is freely soluble in water and soluble in methanol. Inactive ingredients: acetyl tributyl citrate, colloidal silicon dioxide, croscarmellose sodium, ethyl cellulose, hydrogenated vegetable oil, hydroxypropyl cellulose, hypromellose, methylene chloride, microcrystalline cellulose, polyethylene glycol, sodium stearyl fumarate, talc and titanium dioxide.

The active ingredient in omeprazole delayed-release capsules is a substituted benzimidazole, 5-methoxy-2-[[(4-methoxy-3, 5-dimethyl-2-pyridinyl) methyl] sulfinyl]-1H-benzimidazole, a compound that inhibits gastric acid secretion. Its empirical formula is C 17 H 19 N 3 O 3 S, with a molecular weight of 345.42. The structural formula is: Omeprazole is a white to off-white powder. Melts between 150°C and 160°C with decomposition. It is soluble in dichloromethane, sparingly soluble in methanol and in alcohol and very slightly soluble in water. Omeprazole is supplied as delayed-release capsules for oral administration. Each delayed-release capsule contains either 10 mg, 20 mg or 40 mg of omeprazole in the form of enteric-coated granules with the following inactive ingredients: glyceryl monostearate, hypromellose (5cps), meglumine, methacrylic acid copolymer, poloxamer, sugar globules, talc, titanium dioxide, and triethyl citrate. The capsule shells have the following inactive ingredients: black iron oxide, D & C Red 28, FD & C Blue 1, FD & C Red 40, gelatin, potassium hydroxide, propylene glycol, shellac, titanium dioxide, and yellow iron oxide. Omeprazole delayed-release capsules meets USP Dissolution Test 2.

The active ingredient in omeprazole delayed-release capsules is a substituted benzimidazole, 5-methoxy-2-[[(4-methoxy-3, 5-dimethyl-2-pyridinyl) methyl] sulfinyl]-1H-benzimidazole, a compound that inhibits gastric acid secretion. Its empirical formula is C 17 H 19 N 3 O 3 S, with a molecular weight of 345.42. The structural formula is: Omeprazole is a white to off-white powder. Melts between 150°C and 160°C with decomposition. It is soluble in dichloromethane, sparingly soluble in methanol and in alcohol and very slightly soluble in water. Omeprazole is supplied as delayed-release capsules for oral administration. Each delayed-release capsule contains either 10 mg, 20 mg or 40 mg of omeprazole in the form of enteric-coated granules with the following inactive ingredients: crospovidone, hypromellose, magnesium stearate, mannitol, meglumine, methacrylic acid copolymer, poloxamer, povidone and triethyl citrate. The capsule shells contains: D&C Red No. 28, FD&C Blue No. 1, FD&C Red No. 40, FD&C Yellow No. 6, yellow iron oxide, gelatin, silicon dioxide, sodium lauryl sulphate and titanium dioxide. Imprinting ink contains: D&C Yellow No. 10 aluminum lake, FD&C Blue No. 1 aluminum lake, FD&C Blue No. 2 aluminum lake, FD&C Red No. 40 aluminum lake, n-butyl alcohol, pharmaceutical glaze, propylene glycol, SDA-3A alcohol and synthetic black iron oxide. Omeprazole delayed-release capsules meets USP Dissolution Test 2 .

The active ingredient in gabapentin tablets, USP is gabapentin, which has the chemical name 1-(aminomethyl)cyclohexaneacetic acid. The molecular formula of gabapentin is C 9 H 17 NO 2 and the molecular weight is 171.24. The structural formula of gabapentin is: Gabapentin USP is a white to off-white crystalline solid with a pK a1 of 3.7 and a pK a2 of 10.7. It is freely soluble in water and both basic and acidic aqueous solutions. The log of the partition coefficient (n-octanol/0.05M phosphate buffer) at pH 7.4 is –1.25. Each film-coated gabapentin tablet contains 600 mg or 800 mg of gabapentin USP and the following inactive ingredients: copovidone , corn starch, crospovidone, hydroxypropyl cellulose, magnesium stearate, microcrystalline cellulose, and talc. Chemical Structure

The active ingredient in gabapentin capsules, USP is gabapentin, which has the chemical name 1-(aminomethyl)cyclohexaneacetic acid. The molecular formula of gabapentin is C 9 H 17 NO 2 and the molecular weight is 171.24. The structural formula of gabapentin is: Gabapentin USP is a white to off-white crystalline solid with a pK a1 of 3.7 and a pK a2 of 10.7. It is freely soluble in water and both basic and acidic aqueous solutions. The log of the partition coefficient (n-octanol/0.05M phosphate buffer) at pH 7.4 is –1.25. Each capsule contains the following inactive ingredients: corn starch and talc. The empty hard gelatin capsule shell consists of gelatin, sodium lauryl sulfate, and titanium dioxide. In addition 300 mg also contains yellow iron oxide and 400 mg also contains yellow iron oxide and red iron oxide. The capsules are printed with edible ink containing black iron oxide and shellac. Chemical Structure

Furosemide is a diuretic which is an anthranilic acid derivative. Chemically, it is 4-chloro -N -furfuryl-5-sulfamoylanthranilic acid. Furosemide Injection 10 mg/mL is a sterile, non-pyrogenic solution in vials for intravenous and intramuscular injection. Furosemide is a white to off-white odorless crystalline powder. It is practically insoluble in water, sparingly soluble in alcohol, freely soluble in dilute alkali solutions and insoluble in dilute acids. The structural formula is as follows: Molecular Formula: Molecular Weight: C 12 H 11 ClN 2 O 5 S 330.74 Each mL contains: Furosemide USP 10 mg, Water for Injection q.s., Sodium Chloride for isotonicity, Sodium Hydroxide and, if necessary, Hydrochloric Acid to adjust pH between 8.0 and 9.3. structural-formula

The active ingredient in Pantoprazole Sodium for Injection, a PPI, is a substituted benzimidazole, sodium 5-(difluoromethoxy)-2-[[(3,4-dimethoxy-2-pyridinyl)methyl] sulfinyl]-1 H -benzimidazole, a compound that inhibits gastric acid secretion. Its empirical formula is C 16 H 14 F 2 N 3 NaO 4 S, with a molecular weight of 405.4. The structural formula is: Pantoprazole sodium, USP is a white to off-white crystalline powder and is racemic. Pantoprazole sodium, USP has weakly basic and acidic properties. Pantoprazole sodium, USP is freely soluble in water, very slightly soluble in phosphate buffer at pH 7.4, and practically insoluble in n-hexane. The stability of the compound in aqueous solution is pH-dependent. The rate of degradation increases with decreasing pH. The reconstituted solution of Pantoprazole Sodium for Injection is in the pH range 9.0 to 10.5. Pantoprazole Sodium for Injection is supplied for intravenous administration as a sterile, freeze-dried powder in a single-dose clear glass vial fitted with a rubber stopper and crimp seal. Each vial contains 40 mg pantoprazole (equivalent to 45.1 mg of pantoprazole sodium, USP), edetate disodium dihydrate, USP (1 mg), and sodium hydroxide, NF to adjust pH. Structural Formula

Sertraline hydrochloride oral solution USP contains sertraline hydrochloride, an SSRI. Sertraline hydrochloride has a molecular weight of 342.7 and has the following chemical name: (1S-cis)-4-(3,4-dichlorophenyl)-1,2,3,4-tetrahydro-N-methyl-1-naphthalenamine hydrochloride. The molecular formula C 17 H 17 NCl 2• HCl is represented by the following structural formula: Sertraline hydrochloride USP is a white crystalline powder that is slightly soluble in water and isopropyl alcohol, and sparingly soluble in ethanol. Sertraline hydrochloride oral solution USP is available in a multidose 60 mL bottle. Each mL of solution contains sertraline hydrochloride USP equivalent to 20 mg of sertraline. The solution contains the following inactive ingredients: alcohol (12%), natural peppermint flavor, propylene glycol and purified water. The oral solution must be diluted prior to administration [See Dosage and Administration (2.7) ] . Chemical Structure

Sertraline hydrochloride tablets USP contains sertraline hydrochloride, an SSRI. Sertraline hydrochloride has a molecular weight of 342.7 and has the following chemical name: (1S-cis)-4-(3,4-dichlorophenyl)-1,2,3,4-tetrahydro-N-methyl-1-naphthalenamine hydrochloride. The empirical formula C 17 H 17 NCl 2 •HCl is represented by the following structural formula: Sertraline hydrochloride USP is a white crystalline powder that is slightly soluble in water and isopropyl alcohol, and sparingly soluble in ethanol. Sertraline hydrochloride tablets USP are supplied for oral administration as scored tablets contain 28 mg, 56 mg and 112 mg sertraline hydrochloride USP equivalent to 25 mg, 50 mg, and 100 mg of sertraline and the following inactive ingredients: microcrystalline cellulose, sodium starch glycolate, hydroxypropyl cellulose, dibasic calcium phosphate dihydrate, magnesium stearate, hypromellose, titanium dioxide, polyethylene glycol, and polysorbate 80. Besides, 25 mg contains D&C yellow #10 aluminum lake, FD&C blue #1 aluminum lake, FD&C red #40 aluminum lake; 50 mg contains FD&C blue #2 aluminum lake; and 100 mg contains iron oxide yellow. Meets USP dissolution test 3. Chemical Structure

Amoxicillin capsules, USP are a semisynthetic antibacterial (amoxicillin), an analog of ampicillin, with a broad spectrum of bactericidal activity against many Gram-positive and Gram-negative microorganisms. Chemically, it is ( 2 S, 5 R, 6 R) -6-[ (R) -(-)-2-amino-2-( p -hydroxyphenyl)acetamido]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid trihydrate. It may be represented structurally as: The amoxicillin molecular formula is C 16 H 19 N 3 O 5 S•3H 2 O, and the molecular weight is 419.45. Each capsule of amoxicillin with blue cap and pink body, contains 250 mg or 500 mg amoxicillin USP as the trihydrate. The body of the 250 mg capsule is imprinted with ‘A44’ in black ink. The body of the 500 mg capsule is imprinted with ‘A45’ in black ink. Inactive ingredients: D&C Red No. 28, FD&C Blue No. 1, FD&C Red No. 40, gelatin, magnesium stearate, microcrystalline cellulose, sodium lauryl sulfate, and titanium dioxide. Meets USP Dissolution Test 2. Chemical Structure

The active ingredient in the proton pump inhibitor Esomeprazole Magnesium Delayed-Release Capsules USP for oral administration is bis(5-methoxy-2-[(S)-[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-1 H -benzimidazole-1-yl) magnesium trihydrate. Esomeprazole is the S-isomer of omeprazole, which is a mixture of the S- and R- isomers. (Initial U.S. approval of esomeprazole magnesium: 2001). Its molecular formula is (C 17 H 18 N 3 O 3 S) 2 Mg x 3 H 2 O with molecular weight of 767.2 as a trihydrate and 713.1 on an anhydrous basis. The structural formula is: The magnesium salt is a white to slightly cream or slightly yellow colored powder. It contains 3 moles of water of solvation and is soluble in methanol. The stability of esomeprazole magnesium is a function of pH; it rapidly degrades in acidic media, but it has acceptable stability under alkaline conditions. At pH 6.8 (buffer), the half-life of the magnesium salt is about 19 hours at 25°C and about 8 hours at 37°C. Esomeprazole magnesium is supplied in delayed-release capsules. Each delayed-release capsule contains 20 mg, or 40 mg of esomeprazole (present as 22.3 mg, or 44.5 mg esomeprazole magnesium trihydrate USP) in the form of enteric-coated granules with the following inactive ingredients: glyceryl monostearate, hydroxypropyl cellulose, hypromellose, magnesium stearate, methacrylic acid copolymer, polysorbate 80, simethicone, sugar spheres, talc and triethyl citrate. The capsule shells have the following inactive ingredients: gelatin, FD&C Blue #1, titanium dioxide, ammonia solution, black iron oxide, butyl alcohol, dehydrated alcohol, isopropyl alcohol, propylene glycol, potassium hydroxide and shellac.

Fluoxetine capsules, USP are a selective serotonin reuptake inhibitor for oral administration. It is designated (±)-N-methyl-3-phenyl-3-[(α,α,α-trifluoro- p -tolyl)oxy]propylamine hydrochloride and has the molecular formula of C 17 H 18 F 3 NO•HCl. Its molecular weight is 345.79. The structural formula is: Fluoxetine hydrochloride is a white to off-white crystalline solid with a solubility of 14 mg/mL in water. Each capsule contains fluoxetine hydrochloride equivalent to 10 mg (32.3 μmol), 20 mg (64.7 μmol), or 40 mg (129.3 μmol) of fluoxetine. The capsules also contain the following inactive ingredients: FD&C Blue #1, gelatin, pregelatinized starch (maize), sodium lauryl sulphate, titanium dioxide and yellow iron oxide. In addition 40 mg also contains FD&C Yellow #6. The capsules are printed with edible ink containing black iron oxide, potassium hydroxide, propylene glycol, shellac and strong ammonia solution. Chemical Structure

Fluoxetine capsules, USP are a selective serotonin reuptake inhibitor for oral administration. It is designated (±)-N-methyl-3-phenyl-3-[(α,α,α-trifluoro- p -tolyl)oxy]propylamine hydrochloride and has the molecular formula of C 17 H 18 F 3 NO•HCl. Its molecular weight is 345.79. The structural formula is: Fluoxetine hydrochloride is a white to off-white crystalline solid with a solubility of 14 mg/mL in water. Each capsule contains fluoxetine hydrochloride equivalent to 10 mg (32.3 μmol), 20 mg (64.7 μmol), or 40 mg (129.3 μmol) of fluoxetine. The capsules also contain the following inactive ingredients: colloidal silicon dioxide, FD&C Blue #1, gelatin, pregelatinized starch (maize), sodium lauryl sulphate, titanium dioxide and yellow iron oxide. In addition 40 mg also contains FD&C Yellow #6. The capsules are printed with edible ink containing black iron oxide, potassium hydroxide, propylene glycol, shellac and strong ammonia solution. Chemical Structure

Fluoxetine tablets USP is a selective serotonin reuptake inhibitor for oral administration. It is designated (±)-N-methyl-3-phenyl-3-[(α,α,α-trifluoro-p-tolyl)oxy]propylamine hydrochloride and has the molecular formula of C 17 H 18 F 3 NO•HCl. Its molecular weight is 345.79. The structural formula is: Fluoxetine hydrochloride USP is a white to off-white crystalline powder, sparingly soluble in water and in dichloromethane; freely soluble in methanol, and in alcohol, practically insoluble in ether. Each tablet contains fluoxetine hydrochloride USP equivalent to 10 mg (32.3 µmol) and 20 mg (64.7 µmol) of fluoxetine. The tablet also contains colloidal silicon dioxide, croscarmellose sodium, magnesium stearate, microcrystalline cellulose, and pregelatinized corn starch. In addition, the coating for each tablet contains FD&C Blue #1 (10 mg), hydroxypropyl methylcellulose, polyethylene glycol, and titanium dioxide.

Fluoxetine hydrochloride is a selective serotonin reuptake inhibitor for oral administration. It is designated (±)-N-methyl-3-phenyl-3-[(α,α,α-trifluoro-p-tolyl)oxy]propylamine hydrochloride and has the molecular formula of C 17 H 18 F 3 NO•HCl. Its molecular weight is 345.79. The structural formula is: Fluoxetine hydrochloride USP is a white to off-white crystalline powder. It is sparingly soluble in water and in dichloromethane; freely soluble in methanol and in alcohol. Practically insoluble in ether. Each scored tablet contains fluoxetine hydrochloride equivalent to 60 mg (194 µmol) of fluoxetine. In addition, each scored tablet also contains the following inactive ingredients: croscarmellose sodium, hypromellose, polyethylene glycol, povidone, prosolv, pregelatinized starch, microcrystalline cellulose, magnesium stearate and titanium dioxide.

Cyclobenzaprine hydrochloride, USP is a tricyclic amine salt which is white to off white, odourless, crystalline powder with the molecular formula C 20 H 21 N • HCl and a molecular weight of 311.9. It 20 21 has a melting point of 217°C, and a pKa of 8.47 at 25°C. It is freely soluble in water, in alcohol and in methanol, sparingly soluble in isopropanol, slightly soluble in chloroform and in methylene chloride, insoluble in n-hexane. If aqueous solutions are made alkaline, the free base separates. Cyclobenzaprine hydrochloride is designated chemically as 3-(5H -dibenzo[a,d] cyclohepten-5-ylidene)-N,N-dimethyl-1-propanamine hydrochloride, and has the following structural formula: Cyclobenzaprine hydrochloride tablets, USP are available as 5 mg, 7.5 mg and 10 mg tablets for oral administration. Each 5 mg, 7.5 mg and 10 mg tablet contains cyclobenzaprine hydrochloride and the following inactive ingredients: crospovidone, hypromellose, lactose anhydrous, macrogol, magnesium stearate, polysorbate 80, pregelatinized starch, silicified microcrystalline cellulose, titanium dioxide. The tablets of 5 mg and 10 mg also contain D&C Yellow #10 Aluminum Lake and FD&C Yellow #6 Sunset Yellow FCF Aluminum Lake. In addition, the 5 mg tablets contain FD&C Blue #2/INDIGO Carmine Aluminum Lake. image description

Rosuvastatin calcium USP is a 3-hydroxy-3-methylglutaryl coenzyme A (HMG CoA)-reductase inhibitor. The chemical name for rosuvastatin calcium USP is 6-Heptenoic acid, 7-[4-(4-fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl) amino]-5-pyrimidinyl]-3,5-dihydroxy-, calcium salt (2:1), (3R,5S,6E) with the following structural formula: The empirical formula for rosuvastatin calcium USP is (C 22 H 27 FN 3 O 6 S) 2 Ca and the molecular weight is 1,001.14. Rosuvastatin calcium USP is a White or almost white, hygroscopic powder that is freely soluble in methylene chloride, slightly soluble in water practically insoluble in anhydrous ethanol. Rosuvastatin calcium is a hydrophilic compound with a partition coefficient (octanol/water) of 0.13 at pH of 7.0. Rosuvastatin tablets for oral use contain rosuvastatin 5 mg, 10 mg, 20 mg, or 40 mg (equivalent to 5.2 mg, 10.4 mg, 20.8 mg, and 41.6 mg rosuvastatin calcium) and the following inactive ingredients: Each tablet contains: crospovidone USP, hypromellose USP, iron oxide red NF, lactose monohydrate USP, magnesium stearate USP, microcrystalline cellulose USP, sodium bicarbonate powder NF, titanium dioxide USP, triacetin USP. structural_formula

Abiraterone acetate, USP the active ingredient of Abiraterone Acetate Tablets, USP is the acetyl ester of abiraterone. Abiraterone is an inhibitor of CYP17 (17α-hydroxylase/C17,20-lyase). Each Abiraterone acetate tablet contains either 250 mg or 500 mg of abiraterone acetate, USP. Abiraterone acetate is designated chemically as (3β)-17-(3-pyridinyl) androsta-5,16-dien-3-yl acetate and its structure is: Abiraterone acetate, USP is a white or almost white, non-hygroscopic, solid powder and freely soluble in methylene chloride, tetrahydrofuran, and toluene, soluble in methanol, ethanol, ethyl acetate, isobutyl methyl ketone, N,N-dimethylformamide, and acetone, sparingly soluble in acetonitrile and dimethyl sulfoxide, slightly soluble in hexane, very slightly soluble in 0.1 N hydrochloric acid and practically insoluble aqueous media over a wide range of pH values. Its molecular formula is C 26 H 33 NO 2 and it has a molecular weight of 391.6 g/mol. Abiraterone Acetate Tablets, USP are available in 500 mg film-coated tablets and 250 mg uncoated tablets with the following inactive ingredients: • 500 mg film-coated tablets: colloidal silicon dioxide, croscarmellose sodium, lactose monohydrate, magnesium stearate, microcrystalline cellulose, povidone K–30 and sodium lauryl sulfate. The coating, Opadry II 85F500121 Purple, contains iron oxide black, iron oxide red, polyethylene glycol, polyvinyl alcohol-part hydrolyzed, talc, and titanium dioxide. • 250 mg uncoated tablets: colloidal silicon dioxide, croscarmellose sodium, lactose monohydrate, magnesium stearate, microcrystalline cellulose, povidone and sodium lauryl sulfate. FDA approved dissolution test specifications differ from USP. Structure.jpg

Abiraterone acetate USP, the active ingredient of abiraterone acetate tablets, USP is the acetyl ester of abiraterone. Abiraterone is an inhibitor of CYP17 (17α-hydroxylase/C17,20-lyase). Each abiraterone acetate tablet, USP contains 250 mg of abiraterone acetate USP. Abiraterone acetate USP is designated chemically as (3β)­17-(3-pyridinyl) androsta-5,16-dien-3-yl acetate and its structure is: Abiraterone acetate USP is a white to off-white, non-hygroscopic, crystalline powder. Its molecular formula is C 26 H 33 NO 2 and it has a molecular weight of 391.55. Abiraterone acetate USP is a lipophilic compound with an octanol-water partition coefficient of 5.12 (Log P) and is practically insoluble in water. The pKa of the aromatic nitrogen is 5.19. Abiraterone acetate tablets are available in 250 mg film-coated tablets with the following inactive ingredients: colloidal silicon dioxide, croscarmellose sodium, hypromellose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol, povidone, sodium lauryl sulfate and titanium dioxide. FDA approved dissolution test specifications differ from USP.

Acyclovir is a synthetic nucleoside analogue active against herpes viruses. Acyclovir ointment USP, 5% is a formulation for topical administration. Each gram of acyclovir ointment USP, 5% contains 50 mg of acyclovir, USP in a polyethylene glycol (PEG) base. Acyclovir, USP is a white to off-white, crystalline powder with the molecular formula C 8 H 11 N 5 O 3 and a molecular weight of 225.2 g/mol. The maximum solubility in water at 37°C is 2.5 mg/mL. The pka’s of acyclovir are 2.27 and 9.25. The chemical name of acyclovir, USP is 2-amino-1, 9-dihydro-9- [(2-hydroxyethoxy)methyl]-6 H purin-6-one; it has the following structural formula: acyclovir-structura-formula

Adenosine is an endogenous nucleoside and is chemically described as 6-amino-9-beta-D-ribofuranosyl-9-H-purine. Adenosine has the following structural formula: The molecular formula for adenosine is C 10 H 13 N 5 O 4 and its molecular weight is 267.24. Adenosine is a white crystalline powder. It is soluble in water and practically insoluble in alcohol. Solubility increases by warming and lowering the pH of the solution. Each adenosine injection, USP vial contains a sterile, non-pyrogenic solution of adenosine USP 3 mg/mL and sodium chloride USP 9 mg/mL in water for injection, USP with pH between 4.5 and 7.5. structural-formula

Alendronate sodium is a bisphosphonate that acts as a specific inhibitor of osteoclast-­mediated bone resorption. Bisphosphonates are synthetic analogs of pyrophosphate that bind to the hydroxyapatite found in bone. Alendronate sodium is chemically described as (4-amino-1-hydroxybutylidene) bisphosphonic acid monosodium salt trihydrate. The molecular formula of alendronate sodium is C 4 H 12 NNaO 7 P 2 •3H 2 O and its formula weight is 325.12. The structural formula is: Alendronate sodium USP is a white, free-flowing powder. It is soluble in water, very slightly soluble in alcohol, and practically insoluble in chloroform. Alendronate sodium tablets, USP for oral administration contain 13.052, 45.681, or 91.363 mg of alendronate monosodium salt trihydrate, which is the molar equivalent of 10 mg, 35 mg, and 70 mg, respectively, of free acid, and the following inactive ingredients: corn starch, magnesium stearate, microcrystalline cellulose, povidone, and sodium starch glycolate. Chemical Structure

Amitriptyline hydrochloride USP, a dibenzocycloheptadiene derivative, is a white, or practically white, odorless or practically odorless, crystalline powder or small crystals and freely soluble in water, alcohol, chloroform and methanol and insoluble in ether. It is designated chemically as 10,11-Dihydro-N,N-dimethyl-5 H -dibenzo[a,d] cycloheptene-Δ 5 , γ-propylamine hydrochloride. It has the following structural formula: Each amitriptyline hydrochloride tablet, USP for oral administration contains 10 mg, 25 mg, 50 mg, 75 mg, 100 mg, or 150 mg amitriptyline hydrochloride, USP. Inactive ingredients are: croscarmellose sodium, colloidal silicon dioxide, hydroxypropyl methylcellulose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol, pregelatinized starch (corn), talc, and titanium dioxide. Additionally, 25 mg tablets contain: D&C Yellow #10 Aluminum Lake and FD&C Blue #1 Aluminum Lake; 50 mg tablets contain: D&C Yellow #10 Aluminum Lake, iron oxide red and iron oxide yellow; 75 mg tablets contain: FD&C Blue #2 Aluminum Lake and iron oxide yellow; 100 mg tablets contain: D&C Red #27 Aluminum Lake and D&C Yellow #10 Aluminum Lake; 150 mg tablets contain: iron oxide red and iron oxide yellow. structure

Amoxicillin and clavulanate potassium for oral suspension, USP is an oral antibacterial combination consisting of the semisynthetic antibacterial amoxicillin and the beta-lactamase inhibitor, clavulanate potassium (the potassium salt of clavulanic acid). Amoxicillin is an analog of ampicillin, derived from the basic penicillin nucleus, 6-aminopenicillanic acid. The amoxicillin molecular formula is C 16 H 19 N 3 O 5 S•3H 2 O, and the molecular weight is 419.46. Chemically, amoxicillin is (2 S ,5 R ,6 R )-6-[ (R )-(-)-2-Amino-2-( p ­-hydroxyphenyl)acetamido]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo [3.2.0] heptane-2-carboxylic acid trihydrate and may be represented structurally as: Clavulanic acid is produced by the fermentation of Streptomyces clavuligerus . It is a beta-lactam structurally related to the penicillins and possesses the ability to inactivate a wide variety of beta - lactamases by blocking the active sites of these enzymes. Clavulanic acid is particularly active against the clinically important plasmid-mediated beta-lactamases frequently responsible for transferred drug resistance to penicillins and cephalosporins. The clavulanate potassium molecular formula is C 8 H 8 KNO 5 and the molecular weight is 237.25. Chemically, clavulanate potassium is potassium ( Z )-(2 R ,5 R )-3-(2-hydroxyethylidene)-7-oxo-4-oxa-1-azabicyclo[3.2.0]-heptane-2-­carboxylate and may be represented structurally as: Following constitution, each 5 mL of oral suspension contains 600 mg of amoxicillin USP as the trihydrate and 42.9 mg of clavulanic acid (equivalent to 51.1 mg of clavulanate potassium). Amoxicillin and clavulanate potassium for oral suspension, USP is white to off-white granular powder and becomes white to pale yellow suspension with strawberry flavor after reconstitution. Inactive Ingredients: Aspartame, colloidal silicon dioxide, hypromellose, silicon dioxide, strawberry cream permaseal, succinic acid, and xanthan gum [see Warnings and Precautions (5.8) ]. Each 5 mL of reconstituted amoxicillin and clavulanate potassium for oral suspension USP, 600 mg/42.9 mg per 5 mL contains 9 mg of potassium. Amoxicillin chemical structure clavulanate potassium chemical structure

Amoxicillin and clavulanate potassium tablets, USP are an oral antibacterial combination consisting of amoxicillin and the beta-lactamase inhibitor, clavulanate potassium (the potassium salt of clavulanic acid). Amoxicillin USP is an analog of ampicillin, derived from the basic penicillin nucleus, 6-aminopenicillanic acid. The amoxicillin molecular formula is C 16 H 19 N 3 O 5 S•3H 2 O, and the molecular weight is 419.46. Chemically, amoxicillin is (2 S, 5 R, 6 R )-6-[( R )-(-)-2-Amino-2-( p- hydroxyphenyl)acetamido]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid trihydrate and may be represented structurally as: Clavulanic acid is produced by the fermentation of Streptomyces clavuligerus . It is a beta-lactam structurally related to the penicillins and possesses the ability to inactivate some beta-lactamases by blocking the active sites of these enzymes. The clavulanate potassium molecular formula is C 8 H 8 KNO 5 , and the molecular weight is 237.25. Chemically, clavulanate potassium is potassium ( Z )( 2R,5R )-3-(2-hydroxyethylidene)-7-oxo-4-oxa-1-azabicyclo[3.2.0]-heptane-2-carboxylate and may be represented structurally as: 250 mg/125 mg: Each tablet contains 250 mg of amoxicillin USP as the trihydrate, and 125 mg of clavulanic acid (equivalent to 149 mg of clavulanate potassium). 500 mg/125 mg: Each tablet contains 500 mg of amoxicillin USP as the trihydrate, and 125 mg of clavulanic acid (equivalent to 149 mg of clavulanate potassium). 875 mg/125 mg: Each tablet contains 875 mg of amoxicillin USP as the trihydrate, and 125 mg of clavulanic acid (equivalent to 149 mg of clavulanate potassium). Inactive Ingredients: Colloidal silicon dioxide, crospovidone, hypromellose, magnesium stearate, microcrystalline cellulose, polyethylene glycol, sodium starch glycolate, surelease clear (aqueous ethyl cellulose dispersion), and titanium dioxide. Each tablet of amoxicillin and clavulanate contains 0.63 mEq potassium. chemical structure chemical structure

Amoxicillin and clavulanate potassium for oral suspension, USP is an oral antibacterial combination consisting of amoxicillin and the beta-lactamase inhibitor, clavulanate potassium (the potassium salt of clavulanic acid). Amoxicillin USP is an analog of ampicillin, derived from the basic penicillin nucleus, 6-aminopenicillanic acid. The amoxicillin molecular formula is C 16 H 19 N 3 O 5 S•3H 2 O, and the molecular weight is 419.46. Chemically, amoxicillin is (2 S, 5 R, 6 R )-6-[( R )-(-)-2-Amino-2-( p- hydroxyphenyl)acetamido]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid trihydrate and may be represented structurally as: Clavulanic acid is produced by the fermentation of Streptomyces clavuligerus . It is a beta-lactam structurally related to the penicillins and possesses the ability to inactivate some beta-lactamases by blocking the active sites of these enzymes. The clavulanate potassium molecular formula is C 8 H 8 KNO 5 , and the molecular weight is 237.25. Chemically, clavulanate potassium is potassium (Z)( 2 R, 5 R)- 3 -( 2-hydroxyethylidene)-7-oxo-4-oxa-1-azabicyclo[3.2.0]-heptane-2-carboxylate and may be represented structurally as: 200 mg/28.5 mg: Following constitution, each 5 mL of oral suspension contains 200 mg of amoxicillin as the trihydrate, and 28.5 mg of clavulanic acid (equivalent to 34 mg of clavulanate potassium). 400 mg/57 mg: Following constitution, each 5 mL of oral suspension contains 400 mg of amoxicillin as the trihydrate, and 57 mg of clavulanic acid (equivalent to 68 mg of clavulanate potassium). Amoxicillin and clavulanate potassium for oral suspension, USP is white to off-white granular powder and becomes white to pale yellow with orange flavored suspension after reconstitution. Inactive Ingredients: Colloidal silicon dioxide, hypromellose, orange flavour, silicon dioxide, succinic acid, xanthan gum and aspartame [see Warnings and Precautions (5.8) ]. • Each 5 mL of reconstituted 200 mg/28.5 mg oral suspension of amoxicillin and clavulanate potassium contains 0.14 mEq potassium • Each 5 mL of reconstituted 400 mg/57 mg oral suspension of amoxicillin and clavulanate potassium contains 0.29 mEq potassium str str

Ampicillin for Injection, USP the monosodium salt of [2S-[2α,5α,6β(S*)]]-6-[(aminophenylacetyl) amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo [3.2.0]heptane-2-carboxylic acid, is a synthetic penicillin for intravenous use. The pharmacy bulk package contains sterile ampicillin sodium equivalent to 10 grams ampicillin. It is an antibacterial agent with a broad spectrum of bactericidal activity against both penicillin-susceptible Grampositive organisms and many common Gram-negative pathogens. Ampicillin for Injection, USP is a dry, white to off-white powder. The reconstituted solution is clear, colorless and free from visible particulates. A Pharmacy Bulk Package is a container of a sterile preparation for parenteral use that contains many single doses. The contents of this pharmacy bulk package are intended for use by a pharmacy admixture service for addition to suitable parenteral fluids in the preparation of admixtures for intravenous infusion (see DOSAGE AND ADMINISTRATION, Directions for Proper Use of Pharmacy Bulk Package ) . It has the following molecular structure: The molecular formula is C 16 H 18 N 3 NaO 4 S, and the molecular weight is 371.39. The pH range of the reconstituted solution is 8 to 10. The pH range of the reconstituted solution is 8 to 10. Ampicillin for Injection, USP contains 65.83 mg (2.86 milliequivalents) of sodium per 1 gram of drug. Ampicillin for Injection, USP is white to off-white crystalline powder. The solution after reconstitution is clear and colorless. Each Ampicillin for Injection Pharmacy Bulk Package bottle contains ampicillin sodium equivalent to 10 grams of ampicillin. Chemical Structure

Ampicillin for Injection, USP the monosodium salt of [2S-[2α,5α,6β(S*)]]-6-[(aminophenylacetyl) amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, is a synthetic penicillin. It is an antibacterial agent with a broad spectrum of bactericidal activity against both penicillin-susceptible Gram-positive organisms and many common Gram-negative pathogens. Ampicillin for Injection, USP is a dry, white to off-white powder. The reconstituted solution is clear, colorless and free from visible particulates. Each vial of Ampicillin for Injection, USP contains ampicillin sodium equivalent to 250 mg, 500 mg, 1 gram or 2 grams ampicillin. Ampicillin for Injection, USP contains 65.8 mg [2.9 mEq] sodium per gram ampicillin. It has the following molecular structure: The molecular formula is C 16 H 18 N 3 NaO 4 S, and the molecular weight is 371.39. The pH range of the reconstituted solution is 8 to 10. structural formula

Ampicillin and Sulbactam for Injection, USP is an injectable antibacterial combination consisting of the semisynthetic antibacterial ampicillin sodium and the beta-lactamase inhibitor sulbactam sodium for intravenous and intramuscular administration. THE INTENT OF THIS PHARMACY BULK PACKAGE IS FOR PREPARATION OF SOLUTIONS FOR IV INFUSION ONLY. Ampicillin sodium is derived from the penicillin nucleus, 6-aminopenicillanic acid. Chemically, it is monosodium (2S, 5R, 6R)-6-[(R)-2-amino-2-phenylacetamido]-3, 3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate and has a molecular weight of 371.39. Its chemical formula is C 16 H 18 N 3 NaO 4 S. The structural formula is: Sulbactam sodium is a derivative of the basic penicillin nucleus. Chemically, sulbactam sodium is sodium penicillinate sulfone; sodium (2S, 5R)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo [3.2.0] heptane-2-carboxylate 4,4-dioxide. Its chemical formula is C 8 H 10 NNaO 5 S with a molecular weight of 255.22. The structural formula is: Ampicillin and Sulbactam for Injection, USP, ampicillin sodium/sulbactam sodium parenteral combination, is available as a white to off-white dry powder for reconstitution. Ampicillin and Sulbactam for Injection, USP dry powder is freely soluble in aqueous diluents to yield pale yellow to yellow solutions containing ampicillin sodium and sulbactam sodium equivalent to 250 mg ampicillin per mL and 125 mg sulbactam per mL. The pH of the solutions is between 8.0 and 10.0. Dilute solutions (up to 30 mg ampicillin and 15 mg sulbactam per mL) are essentially colorless to pale yellow. The pH of dilute solutions remains the same. Each sterile Pharmacy Bulk Package contains 15 grams Ampicillin and Sulbactam for Injection (equivalent to 10 g ampicillin as the sodium salt plus 5 g sulbactam as the sodium salt). The sodium content per vial is 1150 mg (50 mEq) sodium. Ampicillin and Sulbactam for Injection Pharmacy Bulk Package is a vial containing a sterile preparation of ampicillin sodium and sulbactam sodium for parenteral use that contains many single doses. The Pharmacy Bulk Package is for use in a pharmacy admixture setting; it provides many single doses of ampicillin and sulbactam for injection for addition to suitable parenteral fluids in the preparation and administration for intravenous infusion (see DIRECTIONS FOR PROPER USE OF PHARMACY BULK PACKAGE section). FURTHER DILUTION IS REQUIRED BEFORE USE. Ampicillin-structure Sulbactam-structure

Ampicillin and Sulbactam for Injection, USP is an injectable antibacterial combination consisting of the semisynthetic antibacterial ampicillin sodium and the beta-lactamase inhibitor sulbactam sodium for intravenous and intramuscular administration. Ampicillin sodium is derived from the penicillin nucleus, 6-aminopenicillanic acid. Chemically, it is monosodium (2S, 5R, 6R)-6-[(R)-2-amino-2-phenylacetamido]-3, 3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate and has a molecular weight of 371.39. Its chemical formula is C 16 H 18 N 3 NaO 4 S. The structural formula is: Sulbactam sodium is a derivative of the basic penicillin nucleus. Chemically, sulbactam sodium is sodium penicillinate sulfone; sodium (2S, 5R)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo [3.2.0] heptane-2-carboxylate 4,4-dioxide. Its chemical formula is C 8 H 10 NNaO 5 S with a molecular weight of 255.22. The structural formula is: Ampicillin and Sulbactam for Injection, USP, ampicillin sodium/sulbactam sodium parenteral combination, is available as a white to off-white dry powder for reconstitution. Ampicillin and Sulbactam for Injection, USP dry powder is freely soluble in aqueous diluents to yield pale yellow to yellow solutions containing ampicillin sodium and sulbactam sodium equivalent to 250 mg ampicillin per mL and 125 mg sulbactam per mL. The pH of the solutions is between 8.0 and 10.0. Dilute solutions (up to 30 mg ampicillin and 15 mg sulbactam per mL) are essentially colorless to pale yellow. The pH of dilute solutions remains the same. 1.5 g of Ampicillin and Sulbactam for Injection, USP (1 g ampicillin as the sodium salt plus 0.5 g sulbactam as the sodium salt) parenteral contains approximately 115 mg (5 mEq) of sodium. 3 g of Ampicillin and Sulbactam for Injection, USP (2 g ampicillin as the sodium salt plus 1 g sulbactam as the sodium salt) parenteral contains approximately 230 mg (10 mEq) of sodium. Ampicillin-structure Sulbactam-structure

Arsenic trioxide injection is a sterile injectable solution of arsenic trioxide. The molecular formula of arsenic trioxide in the solid state is As 2 O 3 , with a molecular weight of 197.84 g/mol and the following structural formula: Arsenic trioxide is a white to off-white powder. It is practically insoluble to sparingly soluble in water. It dissolves in solutions of alkali hydroxides (NaOH 1 M). It is practically insoluble in ethanol, chloroform and ethyl ether. Arsenic trioxide injection is available in 10 mL single-dose vials containing 10 mg of arsenic trioxide. Arsenic trioxide injection is formulated as a sterile, nonpyrogenic, clear solution of arsenic trioxide in water for injection using sodium hydroxide and dilute hydrochloric acid to adjust to pH 8. Arsenic trioxide injection is preservative-free. Arsenic trioxide, the active ingredient, is present at a concentration of 1 mg/mL. Inactive ingredients and their respective approximate concentrations are sodium hydroxide (1.2 mg/mL) for solubilization, and sodium hydroxide and hydrochloric acid for pH adjustment to pH 8. arsenic--structure

Aspirin and extended-release dipyridamole capsules are a combination of aspirin and dipyridamole, antiplatelet agents, intended for oral administration. Each hard gelatin capsule contains 200 mg dipyridamole in an extended-release form and 25 mg aspirin, as an immediate-release film-coated tablet. In addition, each capsule contains the following inactive ingredients: acacia, anhydrous lactose, colloidal silicon dioxide, dimethicone, hypromellose, hypromellose phthalate, lecithin, methacrylic acid copolymer, microcrystalline cellulose, polyvinyl alcohol, povidone, pregelatinized starch, stearic acid, talc, tartaric acid, titanium dioxide, triacetin and xanthan gum. Each capsule shell contains FD&C yellow 6, gelatin, sodium lauryl sulfate, titanium dioxide and yellow iron oxide. Imprinting ink contains black iron oxide, potassium hydroxide, propylene glycol, shellac and strong ammonia solution. Dipyridamole Dipyridamole is an antiplatelet agent chemically described as 2,2',2'',2'''-[(4,8-Dipiperidinopyrimido[5,4-d]pyrimidine-2,6-diyl)dinitrilo]-tetraethanol. It has the following structural formula: Dipyridamole USP is an intensely yellow, crystalline powder or needles. It is practically insoluble in water, sparingly soluble in ethyl alcohol, very slightly soluble in acetone and ethyl acetate. Aspirin The antiplatelet agent aspirin (acetylsalicylic acid) is chemically known as benzoic acid, 2- (acetyloxy)-, and has the following structural formula: Aspirin USP is a white crystals, commonly tabular or needle like, or white, crystalline powder. Slightly soluble in water, freely soluble in alcohol, soluble in chloroform and in ether, sparingly soluble in absolute ether.

Atenolol and chlorthalidone tablets are for the treatment of hypertension. It combines the antihypertensive activity of two agents: a beta 1 -selective (cardioselective) hydrophilic blocking agent (atenolol) and a monosulfonamyl diuretic (chlorthalidone). Atenolol is Benzeneacetamide, 4-[2'-hydroxy-3'-[(1-methylethyl) amino] propoxy]. Atenolol, USP is a white or almost white powder and is sparingly soluble in water; soluble in absolute alcohol and practically insoluble in ether. Chlorthalidone is 2-Chloro-5-(1-hydroxy-3-oxo-1-isoindolinyl) benzene sulfonamide: Chlorthalidone, USP is white to yellowish crystalline powder. Each atenolol and chlorthalidone tablet, USP intended for oral administration contains atenolol 50 mg or 100 mg and chlorthalidone 25 mg. In addition, each uncoated tablet contains the following inactive ingredients: citric acid, colloidal silicon dioxide, croscarmellose sodium, magnesium stearate, pregelatinized starch and silicified microcrystalline cellulose. Atenolol Chlorthalidon Tablets, USP Atenolol Chlorthalidon Tablets, USP

Atomoxetine is a selective norepinephrine reuptake inhibitor. Atomoxetine hydrochloride, USP is the R (-) isomer as determined by x-ray diffraction. The chemical designation is (-)- N -Methyl-3-phenyl-3-( o -tolyloxy)-propylamine hydrochloride. The molecular formula is C 17 H 21 NO•HCl, which corresponds to a molecular weight of 291.82. The chemical structure is: Atomoxetine hydrochloride, USP is a white to off-white crystalline powder; sparingly soluble in water. Atomoxetine Capsules, USP are intended for oral administration only. Each capsule contains atomoxetine hydrochloride USP equivalent to 10, 18, 25, 40, 60, 80, or 100 mg of atomoxetine. The capsules also contain pregelatinized starch. The capsule shell for Atomoxetine Capsules, USP 10 mg contains gelatin, and titanium dioxide. The capsule shell for Atomoxetine Capsules, USP 18 mg contains D&C Yellow No. 10, FD&C Yellow No. 6, gelatin, sodium lauryl sulfate, and titanium dioxide. The capsule shell for Atomoxetine Capsules, USP 25 mg and 40 mg contains D&C Red No. 28, FD&C Blue No.1, gelatin, and titanium dioxide. The capsule shell for Atomoxetine Capsules, USP 60 mg contains D&C Yellow No. 10, FD&C Blue No. 1, FD&C Red No. 3, FD&C Yellow No. 6, gelatin, sodium lauryl sulfate, and titanium dioxide. The capsule shell for Atomoxetine Capsules, USP 80 mg and 100 mg contains D&C Red No. 28, D&C Yellow No. 10, FD&C Blue No. 1, gelatin, and titanium dioxide. The imprinting ink for Atomoxetine Capsules, USP 10 mg, 25 mg, 40 mg, 80 mg and 100 mg has the following components: black iron oxide, D&C Yellow No. 10, FD&C Blue No. 2, FD&C Blue No. 1, FD&C Red No. 40, propylene glycol, and shellac. The imprinting ink for Atomoxetine Capsules, USP 18 mg and 60 mg has the following components: black iron oxide, propylene glycol, potassium hydroxide, strong ammonia solution, and shellac. structure

Azelastine hydrochloride Nasal Spray, 137 micrograms (mcg), is an antihistamine formulated as a metered-spray solution for intranasal administration. Azelastine hydrochloride occurs as a white, almost odorless, crystalline powder with a bitter taste. It has a molecular weight of 418.37. It is sparingly soluble in water, methanol, and propylene glycol and slightly soluble in ethanol, octanol, and glycerine. It has a melting point of about 225°C and the pH of a saturated solution is between 5.0 and 5.4. Its chemical name is (±)-1-(2H)-phthalazinone,4-[(4-chlorophenyl) methyl]-2-(hexahydro-1-methyl-1H-azepin-4-yl)-, monohydrochloride. Its molecular formula is C 22 H 24 ClN 3 O•HCl with the following chemical structure: Azelastine hydrochloride Nasal Spray contains 0.1% azelastine hydrochloride USP in an aqueous solution at pH 6.8 ± 0.3. It also contains benzalkonium chloride (125 mcg/mL), citric acid monohydrate, disodium hydrogen phosphate dodecahydrate, edetate disodium, hypromellose, purified water, and sodium chloride. After priming [ see Dosage and Administration (2.3) ], each metered spray delivers a 0.137 mL mean volume containing 137 mcg of azelastine hydrochloride USP (equivalent to 125 mcg of azelastine base). The bottle can deliver 200 metered sprays. Chemical Structure

Betamethasone dipropionate cream USP, 0.05% contains betamethasone dipropionate USP, a synthetic adrenocorticosteroid, for dermatologic use. Betamethasone, an analog of prednisolone, has a high degree of glucocorticoid activity and a slight degree of mineralocorticoid activity. Betamethasone dipropionate, USP is a white to almost white crystalline powder. It is practically insoluble in water, sparingly soluble in alcohol and freely soluble in acetone, methylene chloride and chloroform. Chemically, it is 9-fluoro-11β,17,21-trihydroxy-16β-methylpregna-1,4-diene-3,20-dione 17,21-dipropionate. The structural formula is: Molecular Formula : C 28 H 37 FO 7 Molecular Weight : 504.60 Each gram contains 0.64 mg betamethasone dipropionate, USP (equivalent to 0.5 mg betamethasone) in a white to off-white cream of cetomacrogol 1000, cetostearyl alcohol, mineral oil, purified water, sodium phosphate monobasic, white petrolatum and chlorocresol is present as preservative. Image

Bisoprolol fumarate is a synthetic, beta 1 -selective (cardioselective) adrenoceptor blocking agent. The chemical name for bisoprolol fumarate is (±)-1-[4-[[2-(1-Methylethoxy)ethoxy]methyl]phenoxy]-3-[(1-methylethyl)amino]-2-propanol( E )-2-butenedioate (2:1) (salt). It possesses an asymmetric carbon atom in its structure and is provided as a racemic mixture. The S(-) enantiomer is responsible for most of the beta-blocking activity. Its molecular formula is (C 18 H 31 NO 4 ) 2 •C 4 H 4 O 4 and its structure is: Bisoprolol fumarate has a molecular weight of 766.97. It is a white crystalline powder which is approximately equally hydrophilic and lipophilic, and is readily soluble in water, methanol, ethanol, and chloroform. Bisoprolol fumarate is available as 5 and 10 mg tablets for oral administration. Inactive ingredients include microcrystalline cellulose, anhydrous dibasic calcium phosphate, crospovidone, colloidal silicon dioxide, magnesium stearate, hypromellose, polyethylene glycol, polysorbate 80, and titanium dioxide. The 5 mg tablets also contain red and yellow iron oxide. chemical structure

Bleomycin for Injection, USP is a mixture of cytotoxic glycopeptide antibiotics isolated from a strain of Streptomyces verticillus . It is freely soluble in water. Bleomycin for Injection, USP is provided as a sterile lyophilized powder for reconstitution containing 15 units per vial and 30 units per vial, which are intended for intramuscular, intravenous, subcutaneous or intrapleural administration. Its chemical name is N'-[3-(dimethylsulphonio)propyl]bleomycin-amide (bleomycin A 2 ) and N'-[4-(guaniodobutyl)]bleomycin-amide (bleomycin B 2 ). (Main component: Bleomycin A 2 , in which R is [CH 3 ] 2 S + CH 2 CH 2 CH 2 -) Note: A unit of bleomycin is equal to the formerly used milligram activity. The term milligram activity is a misnomer and was changed to units to be more precise. Chemical Formula

Budesonide USP, the active ingredient of budesonide delayed-release capsules, is a synthetic corticosteroid. Budesonide is designated chemically as (RS)-11β, 16α, 17,21- tetrahydroxypregna-1,4-diene-3,20-dione cyclic 16,17-acetal with butyraldehyde. Budesonide is provided as a mixture of two epimers (22R and 22S). The molecular formula of budesonide is C 25 H 34 O 6 and its molecular weight is 430.5. Its structural formula is: Budesonide, USP is a white to off-white, odorless, crystalline powder that is practically insoluble in water and heptane, sparingly soluble in ethanol, and freely soluble in chloroform. Its partition coefficient between octanol and water at pH 5 is 1.6 x 10 3 ionic strength 0.01. Each capsule for oral administration contains 3 mg of micronized budesonide with the following inactive ingredients: acetyltributyl citrate, ethylcellulose aqueous dispersion, gelatin, iron oxide red, iron oxide yellow, methacrylic acid copolymer dispersion, polysorbate 80, simethicone emulsion, sodium lauryl sulfate, sugar spheres, talc, titanium dioxide and triethyl citrate. The capsule shell is printed with black pharmaceutical ink which contains following ingredients: iron oxide black, potassium hydroxide, propylene glycol and shellac. budesonide

Bumetanide Tablets USP are a loop diuretic available as 0.5 mg (white to off-white), 1 mg (white to off-white) and 2 mg (white to off-white) tablets for oral administration; each tablet also contains: anhydrous lactose, corn starch, magnesium stearate, microcrystalline cellulose and talc. Chemically, bumetanide, USP is 3-(butylamino)-4-phenoxy-5-sulfamoylbenzoic acid. It is a practically white powder. It is slightly soluble in water and soluble in alkaline solutions. It has the following structural formula: Meets USP Dissolution Test 2. structure

Bupivacaine Hydrochloride Injection, USP contains bupivacaine hydrochloride, an amide local anesthetic, as the active pharmaceutical ingredient. The route of administration for Bupivacaine Hydrochloride Injection, USP is by injection, for infiltration, perineural, caudal, epidural, or retrobulbar use. Multiple dose vials contain methylparaben [see Warnings and Precautions (5.4) ] . Bupivacaine hydrochloride is 2-piperidinecarboxamide, 1-butyl- N -(2,6-dimethylphenyl)-, monohydrochloride, monohydrate. It is a white crystalline powder that is freely soluble in 95 percent ethanol, soluble in water, and slightly soluble in chloroform or acetone. It has the following structural formula: Bupivacaine Hydrochloride Injection, USP is a clear and colorless sterile isotonic solution. Each mL contains 2.5 mg or 5 mg of bupivacaine hydrochloride (equivalent to 2.22 mg or 4.44 mg of bupivacaine, respectively), sodium chloride for isotonicity, sodium hydroxide or hydrochloric acid to adjust the pH between 4.0 and 6.5, in water for injection. For the multiple dose vials, each mL also contains 1 mg methylparaben as preservative. Structural Formula

Butalbital, acetaminophen and caffeine capsules are supplied in hard-gelatin capsule form for oral administration. Each capsule contains: Butalbital, USP 50 mg Warning: May be habit-forming. Acetaminophen, USP 300 mg Caffeine, USP 40 mg In addition, each capsule contains the following inactive ingredients: microcrystalline cellulose, povidone, stearic acid and talc with capsule shell composed of FD&C blue 1, FD&C red 40, gelatin, sodium lauryl sulfate and titanium dioxide. Butalbital (5-allyl-5-isobutylbarbituric acid), a slightly bitter, white, odorless, crystalline powder, is a short to intermediate-acting barbiturate. It has the following structural formula: Butalbital C 11 H 16 N 2 O 3 MW: 224.26 Acetaminophen (4´-hydroxyacetanilide), a slightly bitter, white, odorless, crystalline powder, is a non-opiate, non-salicylate analgesic and antipyretic. It has the following structural formula: Acetaminophen C 8 H 9 NO 2 MW: 151.16 Caffeine (1,3,7-trimethylxanthine), a bitter, white powder or white-glistening needles, is a central nervous system stimulant. It has the following structural formula: Caffeine C 8 H 10 N 4 O 2 MW: 194.19 Chemical Structure Chemical Structure Chemical Structure

Calcipotriene Cream USP, 0.005% contains calcipotriene, USP, a synthetic vitamin D 3 derivative, for topical dermatological use. Chemically, calcipotriene, USP is (5Z,7E,22E,24S)-24-cyclopropyl-9,10-secochola-5,7,10(19),22-tetraene-1α,3β,24-triol, with the empirical formula C 27 H 40 O 3 , a molecular weight of 412.62 and the following structural formula: Calcipotriene, USP is a white or almost white crystalline powder. Calcipotriene Cream USP, 0.005% contains 50 mcg/g anhydrous calcipotriene, USP in a cream base of benzyl alcohol, cetostearyl alcohol, ceteth-20, disodium hydrogen phosphate dihydrate, glycerin, medium chain triglycerides, mineral oil, monosodium phosphate monohydrate, purified water and white petrolatum. Y:\Regulatory Affairs 2\ANDAs\Calcipotriene cream (205772)\_Misc\Northstar\structure.jpg

Carbamazepine USP, is an anticonvulsant and specific analgesic for trigeminal neuralgia, available for oral administration as extended-release tablets of 100, 200, and 400 mg. Its chemical name is 5 H -dibenz[ b , f ]azepine-5-carboxamide, and its structural formula is: Carbamazepine USP is a white to off-white odourless crystalline powder, sparingly soluble in acetone and in ethanol (96%), very slightly soluble in water. Its molecular weight is 236.27. Each carbamazepine extended-release tablet, USP intended for oral administration contains 100 mg, 200 mg and 400 mg of carbamazepine. In addition, each tablet contains the following inactive ingredients: cellulose acetate, dextrates, hydroxyethyl cellulose, hypromellose, magnesium stearate, mannitol, polyethylene glycol and sodium lauryl sulfate. Each tablet is printed with opacode black S-1-17823 ink which contains ammonium hydroxide, iron oxide black, isopropyl alcohol, n-butyl alcohol, propylene glycol and shellac. Meets USP Dissolution Test 2. figure

Carbidopa, an inhibitor of aromatic amino acid decarboxylation, is a white to yellowish white powder, slightly soluble in water, very slightly soluble in ethanol (96%), practically insoluble in methylene chloride, with a molecular weight of 244.3. It is designated chemically as (–)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxybenzene) propanoic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O and its structural formula is: Each tablet contains 25 mg of carbidopa USP (anhydrous equivalent). Inactive ingredients are magnesium stearate, microcrystalline cellulose and pregelatinized starch (maize). Tablet content is expressed in terms of anhydrous carbidopa which has a molecular weight of 226.3. chemical structure

Cefadroxil monohydrate, USP is a semisynthetic cephalosporin antibiotic intended for oral administration. It is a white to yellowish-white crystalline powder. It is soluble in water and it is acid-stable. It is chemically designated as 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-[[amino(4-hydroxyphenyl)acetyl]amino]-3-methyl-8-oxo-, monohydrate, [6R-[6α,7β(R*)]]-. It has the formula C 16 H 17 N 3 O 5 S · H 2 O and the molecular weight of 381.40. It has the following structural formula: Cefadroxil for oral suspension USP, after reconstitution, contains cefadroxil monohydrate equivalent to 250 mg or 500 mg cefadroxil base per 5 mL. In addition, cefadroxil for oral suspension also contains the following inactive ingredients: FD&C Yellow No. 6 Aluminum lake, polysorbate 80, sodium benzoate, sucrose, xanthan gum, orange flavor and pineapple flavor. The orange flavor and pineapple flavor contains sulfur dioxide. Chemical Structure

Cefadroxil, USP is a semisynthetic cephalosporin antibiotic intended for oral administration. It is a white to yellowish-white crystalline powder. It is soluble in water and it is acid-stable. It is chemically designated as 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-[[amino(4-hydroxyphenyl)acetyl]amino]-3-methyl-8-oxo-, monohydrate, [6R-[6α,7β(R*)]]-. It has the formula C 16 H 17 N 3 O 5 S · H 2 O and the molecular weight of 381.40. It has the following structural formula: Cefadroxil capsules contain the following inactive ingredients: Lactose monohydrate, magnesium stearate, FD&C Blue No.1, D&C Red No.28, FD&C Red No. 40, titanium dioxide, gelatin, sodium lauryl sulphate, and edible black ink (black iron oxide). Chemical Structure

Cefpodoxime proxetil is an orally administered, extended spectrum, semi-synthetic antibiotic of the cephalosporin class. The chemical name is (RS)-1(isopropoxycarbonyloxy) ethyl (+)-(6R,7R)-7-[2-(2-amino-4-thiazolyl)-2-{(Z)methoxyimino}acetamido]-3-methoxymethyl-8-oxo-5-thia-1-azabicyclo [4.2.0]oct-2-ene- 2-carboxylate. Its molecular formula is C 21 H 27 N 5 O 9 S 2 and its structural formula is represented below: The molecular weight of cefpodoxime proxetil is 557.6. Cefpodoxime proxetil is a prodrug; its active metabolite is cefpodoxime. All doses of cefpodoxime proxetil in this insert are expressed in terms of the active cefpodoxime moiety. The drug is supplied as flavoured granules for oral suspension. Each 5 mL of cefpodoxime proxetil for oral suspension USP contains cefpodoxime proxetil USP equivalent to 50 mg or 100 mg of cefpodoxime activity after constitution and the following inactive ingredients: lactose monohydrate, corn starch, croscarmellose sodium, ferric oxide yellow, hydroxypropyl cellulose, microcrystalline cellulose and carboxymethyl cellulose sodium, colloidal silicon dioxide, citric acid anhydrous, sodium citrate, sodium benzoate, sucrose, and citron & vanille flavorings. Chemical Structure