alembic pharmaceuticals inc. - Medication Listings

The active ingredient in famotidine tablets, USP is a histamine-2 (H 2 ) receptor antagonist. Famotidine is N’-(aminosulfonyl)-3-[[[2[(diaminomethylene)amino]-4-thiazolyl]methyl]thio]propanimidamide. The empirical formula of famotidine is C 8 H 15 N 7 O 2 S 3 and its molecular weight is 337.43. Its structural formula is: Each famotidine tablet, USP for oral administration contains either 20 mg or 40 mg of famotidine and the following inactive ingredients: colloidal silicon dioxide, yellow iron oxide and red iron oxide, Lecithin, macrogel/PEG 3350, magnesium stearate, microcrystalline cellulose, polyvinyl alcohol, pregelatinized starch, talc and titanium dioxide. Famotidine, USP is a white to pale yellow crystalline compound that is freely soluble in glacial acetic acid, slightly soluble in methanol, very slightly soluble in water, and practically insoluble in ethanol. Structure

Febuxostat is a xanthine oxidase inhibitor. The active ingredient in febuxostat tablet is 2-[3-cyano-­4-(2-methylpropoxy) phenyl]-4-methylthiazole-5-carboxylic acid, with a molecular weight of 316.38. The empirical formula is C 16 H 16 N 2 O 3 S. The chemical structure is: Febuxostat is a non-hygroscopic, white to off white powder that is freely soluble in N,N-dimethylformamide; soluble in dimethyl sulfoxide; sparingly soluble in ethanol; slightly soluble in methanol and acetonitrile; and practically insoluble in water. The melting range is 201°C to 208°C. Febuxostat tablets for oral use contain the active ingredient, febuxostat, and are available in two dosage strengths, 40 mg and 80 mg. Inactive ingredients include: lactose monohydrate, microcrystalline cellulose, hydroxypropyl cellulose, croscarmellose sodium, colloidal silicon dioxide, magnesium stearate and polyvinyl alcohol, talc, polyethylene glycol 3000, titanium dioxide, D&C yellow No. 10 aluminum Lake, FD&C blue No. 1 aluminum lake and FD&C blue No. 2 aluminum lake. Structure

Fenofibrate, USP is a lipid regulating agent available as tablets for oral administration. Each tablet contains 54 mg or 160 mg of fenofibrate, USP. The chemical name for fenofibrate, USP is 2-[4-(4-chlorobenzoyl) phenoxy]-2-methyl-propanoic acid, 1-methylethyl ester with the following structural formula. The empirical formula is C 20 H 21 O 4 Cl and the molecular weight is 360.83; fenofibrate, USP is very soluble in methylene chloride; slightly soluble in alcohol; practically insoluble in water. The melting point is 79 to 82°C. Fenofibrate, USP is a white or almost white crystalline powder which is stable under ordinary conditions. Inactive Ingredients Each tablet contains microcrystalline cellulose, croscarmellose sodium, hypromellose, magnesium stearate, polydextrose, titanium dioxide, triacetin, polyethylene glycol 8000. Additionally, fenofibrate tablets USP, 54 mg contains D&C Yellow No. 10 Aluminum Lake and FD&C Yellow No. 6 Aluminum Lake. Fenofibrate tablets, USP meets USP Dissolution Test 3 . fenofibrate structure.jpg

Fenofibrate tablets USP is a lipid regulating agent available as tablets for oral administration. Each tablet contains 54 mg or 160 mg of fenofibrate. The chemical name for fenofibrate is 2-[4-(4-chlorobenzoyl) phenoxy]-2-methyl-propanoic acid, 1-methylethyl ester with the following structural formula: The empirical formula is C 20 H 21 O 4 Cl and the molecular weight is 360.83; fenofibrate is insoluble in water. The melting point is 79 to 82°C. Fenofibrate is a white solid which is stable under ordinary conditions. Inactive Ingredients Each fenofibrate tablet USP, contains the following inactive ingredients: colloidal silicon dioxide, croscarmellose sodium, hypromellose, lactose monohydrate, polyethylene glycol, polysorbate 80, polyvinyl alcohol, povidone, sodium lauryl sulfate, sodium stearyl fumarate, talc, titanium dioxide, and yellow iron oxide. Fenofibrate tablets meets USP Dissolution Test 2. Structure

Fenofibrate, USP is a peroxisome proliferator-activated receptor (PPAR) alpha agonist available as tablets for oral administration. Each tablet contains 48 mg or 145 mg of fenofibrate, USP. The chemical name for fenofibrate, USP is 2-[4-(4-chlorobenzoyl) phenoxy]-2-methyl-propanoic acid, 1-methylethyl ester with the following structural formula: The empirical formula is C 20 H 21 O 4 Cl and the molecular weight is 360.80; fenofibrate is insoluble in water. The melting point is 79 to 82°C. Fenofibrate, USP is a white or almost white crystalline powder which is stable under ordinary conditions. Inactive Ingredients Each tablet contains colloidal silicon dioxide, crospovidone, hypromellose, lactose monohydrate, magnesium stearate, silicified microcrystalline cellulose, simethicone, sodium lauryl sulfate and sucrose. In addition, individual tablets contain: 48 mg tablets Iron oxide red, iron oxide yellow, lecithin, polyethylene glycol 400, polyethylene glycol 8000, polyvinyl alcohol, talc, titanium dioxide and xanthan gum. 145 mg tablets Lecithin, polyethylene glycol 400, polyethylene glycol 8000, polyvinyl alcohol, talc, titanium dioxide and xanthan gum. FDA approved dissolution test specifications differ from USP. structure

Fenofibrate tablets USP is a lipid regulating agent available as tablets for oral administration. Each tablet contains 54 mg or 160 mg of fenofibrate. The chemical name for fenofibrate is 2-[4-(4-chlorobenzoyl) phenoxy]-2-methyl-propanoic acid, 1-methylethyl ester with the following structural formula: The empirical formula is C 20 H 21 O 4 Cl and the molecular weight is 360.83; fenofibrate is insoluble in water. The melting point is 79 to 82°C. Fenofibrate is a white solid which is stable under ordinary conditions. Inactive Ingredients Each fenofibrate tablet USP, contains the following inactive ingredients: colloidal silicon dioxide, croscarmellose sodium, hypromellose, lactose monohydrate, polyethylene glycol, polysorbate 80, polyvinyl alcohol, povidone, sodium lauryl sulfate, sodium stearyl fumarate, talc, titanium dioxide, and yellow iron oxide. Fenofibrate tablets meets USP Dissolution Test 2. Structure

Fenofibrate, USP (micronized), is a lipid regulating agent available as capsules for oral administration. Each capsule contains 67 mg, 134 mg or 200 mg of micronized fenofibrate, USP. The chemical name for fenofibrate, USP is 2-[4-(4-chlorobenzoyl) phenoxy]-2-methyl-propanoic acid,1-methylethyl ester with the following structural formula: The empirical formula is C 20 H 21 O 4 Cl and the molecular weight is 360.83; fenofibrate, USP is very soluble in methylene chloride; slightly soluble in alcohol; practically insoluble in water. The melting point is 79 to 82°C. Fenofibrate, USP is a white or almost white crystalline powder which is stable under ordinary conditions. Each 67 mg fenofibrate capsule, USP (micronized) contains the following inactive ingredients: microcrystalline cellulose, croscarmellose sodium, hypromellose, sodium lauryl sulphate, magnesium stearate, titanium dioxide, gelatin, FD&C Yellow No. 6 and D&C Yellow No.10. Each 134 mg fenofibrate capsule, USP (micronized) contains the following inactive ingredients: microcrystalline cellulose, croscarmellose sodium, hypromellose, sodium lauryl sulphate, magnesium stearate, titanium dioxide and gelatin. Each 200 mg fenofibrate capsule, USP (micronized) contains the following inactive ingredients: microcrystalline cellulose, croscarmellose sodium, hypromellose, sodium lauryl sulphate, magnesium stearate, D&C Red No. 28, FD&C Red No. 40, D&C Yellow No.10, titanium dioxide and gelatin. The printing ink contains shellac, potassium hydroxide and iron oxide black. Fenofibrate capsules, USP meets USP Dissolution Test 7. fenofibrate-structure

Fenofibric acid delayed-release capsules are a peroxisome proliferator-activated receptor (PPAR) alpha agonist available as delayed release capsules for oral administration. Fenofibric acid delayed-release capsules are a lipid regulating agent available as delayed release capsules for oral administration. Each delayed release capsule contains choline fenofibrate, equivalent to 45 mg or 135 mg of fenofibric acid. The chemical name for choline fenofibrate is ethanaminium, 2-hydroxy-N,N,N-trimethyl, 2-{4-(4-chlorobenzoyl)phenoxy] -2-methylpropanoate (1:1) with the following structural formula: The empirical formula is C 22 H 28 ClNO 5 and the molecular weight is 421.91. Choline fenofibrate is freely soluble in water and methanol. The melting point is approximately 210°C. Choline fenofibrate is a white to off-white crystalline powder, which is stable under ordinary conditions. Each delayed release capsule contains enteric coated mini-tablets comprised of choline fenofibrate and the following inactive ingredients: colloidal silicon dioxide, hydroxylpropyl cellulose, hypromellose, methacrylic acid copolymer, povidone, sodium stearyl fumarate, talc, triethyl citrate, water. The capsule shell of the 45 mg capsule contains the following inactive ingredients: gelatin, iron oxide red, iron oxide yellow and titanium dioxide. The capsule shell of the 135 mg capsule contains the following inactive ingredients: FD&C Blue #2, gelatin, iron oxide yellow and titanium dioxide. The capsule shells are printed with edible black ink and white ink. The edible white ink contains potassium hydroxide, propylene glycol, shellac and titanium dioxide and the edible black ink contains iron oxide black, potassium hydroxide, propylene glycol and shellac. structure

Fesoterodine fumarate tablet contains fesoterodine fumarate and is an extended-release tablet. Fesoterodine is rapidly de-esterified to its active metabolite (R)-2-(3-diisopropylamino-1-phenylpropyl)-4-hydroxymethyl-phenol, or 5-hydroxymethyl tolterodine, which is a muscarinic receptor antagonist. Chemically, fesoterodine fumarate is designated as isobutyric acid 2-((R)-3-diisopropylammonium-1-phenylpropyl)-4-(hydroxymethyl) phenyl ester hydrogen fumarate. The empirical formula is C 30 H 41 NO 7 and its molecular weight is 527.66. The structural formula is: The asterisk (*) indicates the chiral carbon. Fesoterodine fumarate is a white to off-white powder, it is soluble in water, freely soluble in methanol and practically insoluble in heptane. Each fesoterodine fumarate extended-release tablet contains either 4 mg or 8 mg of fesoterodine fumarate and the following inactive ingredients: FD&C blue No. 2 aluminum lake, glyceryl behenate, hydroxypropyl cellulose, hypromellose, lactose monohydrate, microcrystalline cellulose, polyethylene glycol, polyvinyl alcohol, pullulan, soya lecithin, talc and titanium dioxide. Structure

Fluorouracil injection USP, a nucleoside metabolic inhibitor, is a clear colorless to yellow solution, aqueous, sterile, nonpyrogenic injectable solution available in a pharmacy bulk package, a sterile preparation that contains doses for multiple patients for intravenous administration. Each mL contains 50 mg Fluorouracil in water for injection, USP. The pH is adjusted to approximately 9.2 with sodium hydroxide. Chemically, Fluorouracil, a fluorinated pyrimidine, is 5-fluoro-2,4 (1 H ,3 H )-pyrimidinedione. Its structural formula is: Molecular formula: C 4 H 3 FN 2 O 2 Molecular weight: 130.08 g/mole fluorouracil-structure

Fluorouracil injection USP, a nucleoside metabolic inhibitor, is a colorless to faint yellow, aqueous, sterile, nonpyrogenic injectable solution available in 100 mL pharmacy bulk package, a sterile preparation that contains doses for multiple patients for intravenous administration. Each mL contains 50 mg fluorouracil in water for injection, USP. The pH is adjusted to approximately 9.2 with sodium hydroxide. Chemically, fluorouracil, a fluorinated pyrimidine, is 5-fluoro-2,4 (1H,3H) -pyrimidinedione. Its structural formula is: fluorouracil-structure

Fluphenazine hydrochloride, USP is a trifluoromethyl phenothiazine derivative intended for the management of schizophrenia. The chemical designation is 4-[3-[2-(Trifluoromethyl) phenothiazin-10-yl] propyl]-1-piperazineethanol dihydrochloride. The structural formula is represented below: Fluphenazine hydrochloride tablets, USP, for oral administration, contain 1 mg, 2.5 mg, 5 mg, or 10 mg fluphenazine hydrochloride, USP per tablet. Each tablet also contains dibasic calcium phosphate dihydrate, lactose monohydrate, pregelatinized starch, corn starch, magnesium stearate, hypromellose (6 mPas), hypromellose (3 mPas), titanium dioxide, polyethylene glycol 400, polysorbate 80, D&C Red No. 27 Aluminum Lake (2.5 mg and 5 mg tablet), D&C Red No. 30 Aluminum Lake (5 mg tablet), D&C Yellow No. 10 Aluminum Lake (5 mg tablet), FD&C Blue No. 1 Aluminum Lake (5 mg tablet), FD&C Blue No. 2 Aluminum Lake (2.5 mg tablet), FD&C Red No. 40 Aluminum Lake (10 mg tablet) and FD&C Yellow No. 6 Aluminum Lake (10 mg tablet). Fluphenazine hydrochloride tablets, USP meets USP Dissolution Test 2. fluphenazine-str.jpg

Formoterol fumarate inhalation solution is supplied as 2 mL of formoterol fumarate inhalation solution packaged in a 2.5 mL single-use low-density polyethylene vial and overwrapped in a foil pouch. Each vial contains 2 mL of a clear, colorless solution composed of formoterol fumarate dihydrate, USP equivalent to 20 mcg of formoterol fumarate in an isotonic, sterile aqueous solution containing sodium chloride, pH adjusted to 5.0 with citric acid and sodium citrate. The active component of formoterol fumarate inhalation solution is formoterol fumarate dihydrate, USP, a racemate. formoterol fumarate dihydrate is a beta 2 -adrenergic bronchodilator. Its chemical name is (±)-2hydroxy-5-[(1RS)-1-hydroxy-2-[[(1RS)-2-(4-methoxyphenyl)-1-methylethyl]-amino]ethyl]formanilide fumarate dihydrate; its structural formula is: Formoterol fumarate dihydrate, USP has a molecular weight of 840.92 and its empirical formula is (C 19 H 24 N 2 O 4 ) 2 •C 4 H 4 O 4 •2H 2 O. formoterol fumarate dihydrate, USP is a white to yellowish crystalline powder, which is freely soluble in glacial acetic acid, soluble in methanol, sparingly soluble in ethanol and isopropanol, slightly soluble in water, and practically insoluble in acetone, ethyl acetate, and diethyl ether. Formoterol fumarate inhalation solutiondoes not require dilution prior to administration by nebulization. Like all other nebulized treatments, the amount delivered to the lungs will depend on patient factors and the nebulization system used and its performance. Using the PARI-LC Plus® nebulizer (with a facemask or mouthpiece) connected to a PRONEB® Ultra compressor under in vitro conditions, the mean delivered dose from the mouthpiece was approximately 7.3 mcg (37% of label claim). The mean nebulizer flow rate was 4 LPM and the nebulization time was 9 minutes. Formoterol fumarate inhalation solution should be administered from a standard jet nebulizer at adequate flow rates via a facemask or mouthpiece. formoterol-structure

Fulvestrant injection for intramuscular administration is an estrogen receptor antagonist. The chemical name is 7-alpha-[9-(4,4,5,5,5-penta fluoropentylsulphinyl) nonyl]estra-1,3,5-(10)-triene3,17-beta-diol. The molecular formula is C 32 H 47 F 5 O 3 S and its structural formula is: Fulvestrant is a white powder with a molecular weight of 606.77. The solution for injection is a sterile, clear, colorless to yellow color viscous solution. Each injection contains as inactive ingredients: 12.3% v/v Alcohol, USP, 10% w/v Benzyl Alcohol, NF, and 15% w/v Benzyl Benzoate, USP, as co-solvents, and made up to 100% w/v with Castor Oil, USP as a co-solvent and release rate modifier. fulvestrant-structure

Glycopyrrolate injection, USP is a synthetic anticholinergic agent. Each 1 mL contains: Glycopyrrolate, USP 0.2 mg Water for Injection, USP q.s. Benzyl Alcohol, NF 0.9% (preservative) pH adjusted, when necessary, with hydrochloric acid and/or sodium hydroxide. For Intramuscular (IM) or Intravenous (IV) administration. Glycopyrrolate is a quaternary ammonium salt with the following chemical name: 3[(cyclopentylhydroxyphenylacetyl)oxy]-1,1-dimethyl pyrrolidinium bromide. The molecular formula is C19H28BrNO3 and the molecular weight is 398.33. Its structural formula is as follows: C 19 H 28 BrNO 3 MW 398.33 Glycopyrrolate occurs as a white, odorless crystalline powder. It is soluble in water and alcohol, and practically insoluble in chloroform and ether. Unlike atropine, glycopyrrolate is completely ionized at physiological pH values. Glycopyrrolate injection, USP, is a clear, colorless, sterile liquid; pH 2.0 to 3.0. The partition coefficient of glycopyrrolate in a n-octanol/water system is 0.304 (log 10 P= -1.52) at ambient room temperature (24°C). glycopyrrolate-structure

Guanfacine is a once-daily, extended-release formulation of guanfacine hydrochloride, USP in a matrix tablet formulation for oral administration only. The chemical designation is N-amidino-2-(2,6-dichlorophenyl) acetamide monohydrochloride. The molecular formula is C 9 H 9 Cl 2 N 3 O·HCl corresponding to a molecular weight of 282.55. The chemical structure is: Guanfacine hydrochloride, USP is a white to off-white crystalline powder, sparingly soluble in water (approximately 1 mg/mL) and alcohol and slightly soluble in acetone. The only organic solvent in which it has relatively high solubility is methanol (>30 mg/mL). Each tablet contains guanfacine hydrochloride, USP equivalent to 1 mg, 2 mg, 3 mg, or 4 mg of guanfacine base. The tablets also contain methacrylic acid and ethyl acrylate copolymer, hypromellose, glyceryl dibehenate, microcrystalline cellulose, lactose monohydrate, fumaric acid, talc, silicon dioxide and magnesium stearate. In addition, the 3 mg and 4 mg tablets also contain FD&C Blue #2 Aluminum Lake and iron oxide yellow. FDA approved dissolution test specifications differ from USP. structure

Icatibant injection (icatibant) is a synthetic decapeptide with five non-proteinogenic amino acids. The chemical structure of icatibant acetate is presented in Figure 1. Figure 1 Chemical Structure Chemical name: D-Arginyl-L-arginyl-L-prolyl-L[(4R)-4-hydroxyprolyl]-glycyl-L[3-(2-thienyl)alanyl]-L­seryl-D-(1,2,3,4-tetrahydroisoquinolin-3-ylcarbonyl)-L[(3aS,7aS) octahydroindol-2-ylcarbonyl]-L­ arginine, acetate salt Icatibant injection is provided as a sterile, isotonic, and buffered solution of icatibant acetate in a single-dose, prefilled syringe for subcutaneous administration. Each mL of the solution contains 10 mg of icatibant (free base) which is equivalent to 11.38 mg of icatibant acetate. Each prefilled syringe delivers 3 mL of solution equivalent to a 30 mg icatibant dose. The solution is clear and colorless. The solution also contains sodium chloride (isotonicity reagent), glacial acetic acid (buffering agent), sodium hydroxide (pH adjuster) and water for injection with a pH of approximately 5.5. The solution does not contain preservatives. Pharmacological class: Icatibant is a bradykinin B2 receptor antagonist. icatibant-structure

Irbesartan tablet is an angiotensin II receptor (AT1 subtype) antagonist. Irbesartan is a non-peptide compound, chemically described as a 2-butyl-3-[ p -( o -1 H -tetrazol-5­ ylphenyl)benzyl]-1,3-diazaspiro[4.4]non-1-en-4-one. Its empirical formula is C 25 H 28 N 6 O, and the structural formula: Irbesartan is a white to off-white crystalline powder with a molecular weight of 428.5. It is a nonpolar compound with a partition coefficient (octanol/water) of 10.1 at pH of 7.4. Irbesartan is slightly soluble in alcohol and methylene chloride and practically insoluble in water. Irbesartan tablets, USP are available for oral administration in unscored tablets containing 75 mg, 150 mg and 300 mg of irbesartan. Inactive ingredients include: croscarmellose sodium, lactose, magnesium stearate and povidone k-30. Structure

Irbesartan and Hydrochlorothiazide Tablets are a combination of an angiotensin II receptor antagonist (AT 1 subtype), irbesartan, and a thiazide diuretic, hydrochlorothiazide (HCTZ). Irbesartan is a non-peptide compound, chemically described as a 2-butyl-3-[ p -( o -1H-tetrazol-5-ylphenyl)benzyl]-1,3-diazaspiro [4.4]non-1-en-4-one. Its empirical formula is C 25 H 28 N 6 O, and its structural formula is: Irbesartan is a white to off-white crystalline powder with a molecular weight of 428.5. It is a nonpolar compound with a partition coefficient (octanol/water) of 10.1 at pH of 7.4. Irbesartan is slightly soluble in alcohol and methylene chloride and practically insoluble in water. Hydrochlorothiazide is 6-chloro-3,4-dihydro-2 H -1,2,4-benzothiadiazine-7-sulfonamide 1,1- dioxide. Its empirical formula is C 7 H 8 ClN 3 O 4 S 2 and its structural formula is: Hydrochlorothiazide is a white, or practically white, crystalline powder with a molecular weight of 297.7 Hydrochlorothiazide is slightly soluble in water and freely soluble in sodium hydroxide solution. Irbesartan and Hydrochlorothiazide Tablets USP are available for oral administration in tablets containing 150 mg or 300 mg of irbesartan combined with 12.5 mg of hydrochlorothiazide or 300 mg of irbesartan combined with 25 mg hydrochlorothiazide. Inactive ingredients include: croscarmellose sodium, iron oxide red, iron oxide yellow, lactose monohydrate, magnesium stearate and povidone. In addition, the 300/25 mg pinkish brown film-coated tablet contains hypromellose, iron oxide black, polyethylene glycol and titanium dioxide. Structure Structure

Itraconazole capsule, USP is the generic name for itraconazole, USP an azole antifungal agent. Itraconazole, USP is a 1:1:1:1 racemic mixture of four diastereomers (two enantiomeric pairs), each possessing three chiral centers. It may be represented by the following structural formula and nomenclature: ±)-1-[( R *)- sec -butyl]-4-[ p -[4-[ p -[[(2 R *,4 S *)-2-(2,4-dichlorophenyl)-2-(1 H -1,2,4-triazol-1-ylmethyl)-1,3-dioxolan-4-yl]methoxy]phenyl]-1-piperazinyl]phenyl]-Δ 2 -1,2,4-triazolin-5-one mixture with (±)-1-[( R *)- sec -butyl]-4-[ p -[4-[ p -[[(2 S *,4 R *)-2-(2,4-dichlorophenyl)-2-(1 H- 1,2,4-triazol-1-ylmethyl)-1,3-dioxolan-4-yl]methoxy]phenyl]-1-piperazinyl]phenyl]-Δ 2 -1,2,4-triazolin-5-one or (±)-1-[( RS )- sec -butyl]-4-[ p -[4-[ p -[[(2 R ,4 S )-2-(2,4-dichlorophenyl)-2-(1 H -1,2,4-triazol-1-ylmethyl)-1,3-dioxolan-4-yl]methoxy]phenyl]-1-piperazinyl]phenyl]-Δ 2 -1,2,4-triazolin-5-one Itraconazole, USP has a molecular formula of C 35 H 38 Cl 2 N 8 O 4 and a molecular weight of 705.64. It is a white or almost white powder. It is freely soluble in methylene chloride, sparingly soluble in tetrahydrofuran, very slightly soluble in alcohol and practically insoluble in water. It has a pKa of 3.7 (based on extrapolation of values obtained from methanolic solutions) and a log (n-octanol/water) partition coefficient of 5.66 at pH 8.1. Itraconazole capsules, USP contain 100 mg of itraconazole, USP coated on sugar spheres (composed of purified water, starch and sucrose). Inactive ingredients are D&C Red No. 22, D&C Red No. 28, FD&C Blue No. 1, gelatin, hydroxypropyl methylcellulose, polyethylene glycol, and titanium dioxide. The imprinting ink contains black iron oxide, potassium hydroxide, propylene glycol, and shellac. Meets USP Dissolution Test 2. Itraconazole Structure

Ivabradine tablets contain ivabradine as the active pharmaceutical ingredient. Ivabradine is a hyperpolarization-activated cyclic nucleotide-gated channel blocker that reduces the spontaneous pacemaker activity of the cardiac sinus node by selectively inhibiting the I f current, resulting in heart rate reduction with no effect on ventricular repolarization and no effects on myocardial contractility. The chemical name for ivabradine hydrochloride is 3-(3-{[((7S)-3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methyl] methyl amino} propyl)-1,3,4,5-tetrahydro-7,8-dimethoxy-2H-3-benzazepin-2-one, hydrochloride. The molecular formula is C 27 H 36 N 2 O 5 ·HCl, and the molecular weight (free base + HCl) is 505.1 (468.6 + 36.5). The chemical structure of ivabradine is shown in Figure 1. Figure 1. Chemical Structure of Ivabradine Ivabradine tablets are formulated as light salmon to salmon colored, film-coated tablets for oral administration in strengths of 5 mg and 7.5 mg of ivabradine, equivalent to 5.39 mg and 8.09 mg of ivabradine hydrochloride respectively. The tablets contain the following inactive ingredients: maltodextrin, lactose anhydrous, butylated hydroxyanisole, butylated hydroxytoluene, hypromellose 2910, colloidal silicon dioxide, magnesium stearate, hydroxypropyl cellulose, titanium dioxide, polyethylene glycol 6000, iron oxide yellow and iron oxide red. ivabradine-structure.jpg

Ketorolac Tromethamine Injection, USP is a member of the pyrrolo-pyrrole group of nonsteroidal anti-inflammatory drugs (NSAIDs). The chemical name for ketorolac tromethamine is (±)-5-benzoyl- 2,3- dihydro-1 H -pyrrolizine-1-carboxylic acid, compound with 2-amino-2-(hydroxymethyl)-1,3- propanediol (1:1), and the structural formula is presented in Figure 1. Ketorolac tromethamine is a racemic mixture of [-]S and [+]R ketorolac tromethamine. Ketorolac tromethamine may exist in three crystal forms. All forms are equally soluble in water. Ketorolac tromethamine has a pKa of 3.5 and an n-octanol/water partition coefficient of 0.26. The molecular weight of ketorolac tromethamine is 376.40. Ketorolac Tromethamine Injection, USP is available for intravenous (IV) or intramuscular (IM) administration as: 15 mg in 1 mL (1.5%) and 30 mg in 1 mL (3%) in sterile solution; 60 mg in 2 mL (3%) of ketorolac tromethamine in sterile solution is available for intramuscular administration only. The solutions contain 10% (w/v) alcohol, USP, and 6.68 mg, 4.35 mg, and 8.70 mg, respectively, of sodium chloride in sterile water. The pH range is 6.9 to 7.9 and is adjusted with sodium hydroxide and/or hydrochloric acid. The sterile solutions are clear, colorless to slight yellow in color. ketorolac-structure

The chemical name of lacosamide, the single (R)-enantiomer, is (R)-2-acetamido-N-benzyl-3-methoxypropionamide (IUPAC). Lacosamide is a functionalized amino acid. Its molecular formula is C 13 H 18 N 2 O 3 and its molecular weight is 250.30. The chemical structure is: Lacosamide, USP is a white to off-white crystalline powder. It is freely soluble in dimethyl sulphoxide and in ethanol. 11.1 Lacosamide Tablets, USP Lacosamide tablets, USP for oral administration contain lacosamide, USP and the following inactive ingredients: colloidal silicon dioxide, crospovidone, hydroxypropylcellulose, low-substituted hydroxypropylcellulose, magnesium stearate, microcrystalline cellulose, hypromellose, polyethylene glycol, talc, titanium dioxide, and dye pigments as specified below: Lacosamide tablets, USP are supplied as debossed tablets and contain the following coloring agents: 50 mg tablets: FD&C Blue No. 2 aluminum lake, iron oxide red, iron oxide black 100 mg tablets: iron oxide yellow 150 mg tablets: iron oxide yellow, iron oxide red, iron oxide black 200 mg tablets: FD&C Blue No. 2 aluminum lake structure

Lamotrigine, USP an AED of the phenyltriazine class, is chemically unrelated to existing AEDs. Lamotrigine’s chemical name is 3,5-diamino-6-(2,3-dichlorophenyl)- as -triazine, its molecular formula is C 9 H 7 N 5 Cl 2 , and its molecular weight is 256.1. Lamotrigine is a white or almost white powder and has a pKa of 5.7. Lamotrigine is slightly soluble in anhydrous ethanol and in 0.1M hydrochloric acid. The structural formula is: Lamotrigine extended-release tablets, USP are supplied for oral administration as 200 mg, blue, round, biconvex film-coated tablets; 250 mg, purple, caplet shaped, biconvex film-coated tablets; and 300 mg, grey, caplet shaped, biconvex film-coated tablets. Each tablet contains the labeled amount of lamotrigine and the following inactive ingredients: lactose monohydrate, povidone K-30, hypromellose, colloidal silicon dioxide, magnesium stearate, methacrylic acid and ethyl acrylate copolymer, silicon dioxide, triethyl citrate, titanium dioxide, polyethylene glycol 400, ferrosoferric oxide (250 mg and 300 mg tablets only), FD&C Blue No. 2 Aluminum Lake (200 mg and 250 mg tablets only), carmine (250 mg tablet only). Tablets are imprinted with edible black ink containing shellac, propylene glycol and ferrosoferric oxide. Lamotrigine extended-release tablets, USP contains modified-release, erodible matrix as the core. The core tablet is coated with a modified enteric coat to enable a controlled release of drug in the acidic environment of the stomach. The combination of the modified-release core and the modified enteric coating are designed to control the dissolution rate of lamotrigine over a period of approximately 12 to 15 hours, leading to a gradual increase in serum lamotrigine levels. FDA approved dissolution testing specifications differ from USP. Structure

Lamotrigine tablets for oral suspension, USP an AED of the phenyltriazine class, is chemically unrelated to existing AEDs. Lamotrigine’s chemical name is 3,5-diamino-6-(2,3-dichlorophenyl)- as -triazine, its molecular formula is C 9 H 7 N 5 Cl 2 , and its molecular weight is 256.09. Lamotrigine is a white to pale cream-colored powder and has a pK a of 5.7. Lamotrigine is very slightly soluble in water (0.17 mg/mL at 25°C) and slightly soluble in 0.1 M HCl (4.1 mg/mL at 25°C). The structural formula is: Lamotrigine tablets for oral suspension, USP are supplied for oral administration. The tablets contain 5 mg (white to off white), or 25 mg (white to off white) of lamotrigine and the following inactive ingredients: aspartame, black currant flavor, colloidal silicon dioxide, crospovidone, magnesium stearate, mannitol, microcrystalline cellulose, povidone K-30 and talc. Drug product complies with Organic Impurities procedure II. Structure

Lamotrigine, an AED of the phenyltriazine class, is chemically unrelated to existing AEDs. Lamotrigine’s chemical name is 3,5-diamino-6-(2,3-dichlorophenyl)-as -triazine, its molecular formula is C 9 H 7 N 5 Cl 2 , and its molecular weight is 256.09. Lamotrigine is a white to pale cream-colored powder and has a pKa of 5.7. Lamotrigine is very slightly soluble in water (0.17 mg/mL at 25°C) and slightly soluble in 0.1 M HCl (4.1 mg/mL at 25°C). The structural formula is: Lamotrigine Tablets USP are supplied for oral administration as 25-mg, 100-mg, 150-mg and 200-mg white to off white tablets. Each tablet contains the labeled amount of lamotrigine and the following inactive ingredients: lactose monohydrate, magnesium stearate, povidone, sodium starch glycolate and talc. It meets USP Dissolution Test 3. Structure

Leflunomide USP is a pyrimidine synthesis inhibitor. The chemical name for leflunomide is N-(4´-trifluoromethylphenyl)-5-methylisoxazole-4-carboxamide. It has an empirical formula C 12 H 9 F 3 N 2 O 2 , a molecular weight of 270.2 and the following structural formula: Leflunomide tablets USP are available for oral administration as tablets containing 10 mg or 20 mg of active drug. Combined with leflunomide are the following inactive ingredients: colloidal silicon dioxide, corn starch, crospovidone, hypromellose, iron oxide yellow (20 mg tablet only), lactose monohydrate, magnesium stearate, polyethylene glycol, povidone, talc, and titanium dioxide. Structure

Lidocaine Ointment USP, 5% contains a local anesthetic agent and is administered topically. See INDICATIONS AND USAGE for specific uses. Lidocaine Ointment USP, 5% contains lidocaine, which is chemically designated as acetamide, 2-(diethylamino)- N -(2,6-dimethylphenyl)-, and has the following structural formula: Composition of Lidocaine Ointment USP, 5%: acetamide, 2-(diethylamino)- N -(2,6-dimethylphenyl)-, (lidocaine) 5% in a water miscible ointment vehicle containing polyethylene glycols. Structure of Element

Lidocaine and prilocaine cream, USP 2.5%/2.5% is an emulsion in which the oil phase is a eutectic mixture of lidocaine and prilocaine in a ratio of 1:1 by weight. This eutectic mixture has a melting point below room temperature and therefore both local anesthetics exist as a liquid oil rather than as crystals. It is packaged in 5 gram and 30 gram tubes. Lidocaine is chemically designated as acetamide, 2-(diethylamino)-N-(2,6-dimethylphenyl), has an octanol: water partition ratio of 43 at pH 7.4, and has the following structure: Prilocaine is chemically designated as propanamide, N-(2-methylphenyl)-2-(propylamino), has an octanol: water partition ratio of 25 at pH 7.4, and has the following structure: Each gram of lidocaine and prilocaine cream contains lidocaine 25 mg, prilocaine 25 mg, polyoxyethylene fatty acid esters (as emulsifiers), carbomer homopolymer type B (as a thickening agent), sodium hydroxide to adjust to a pH approximating 9, and purified water to 1 gram. Lidocaine and prilocaine cream contains no preservative, however it passes the USP antimicrobial effectiveness test due to the pH. The specific gravity of lidocaine and prilocaine cream is 1.00. Image Image

Linezolid Tablets, contain linezolid, which is a synthetic antibacterial agent of the oxazolidinone class. The chemical name for linezolid is (S)-N-[[3-[3-Fluoro-4-(4-morpholinyl)phenyl]-2-oxo-5-oxazolidinyl] methyl]-acetamide. The empirical formula is C 16 H 20 FN 3 O 4 . Its molecular weight is 337.35, and its chemical structure is represented below: Linezolid Tablets for oral administration contain 600 mg linezolid as film-coated compressed tablets. Inactive ingredients are microcrystalline cellulose, hydroxypropyl cellulose, low-substituted hydroxypropyl cellulose, colloidal silicon dioxide, sodium stearyl fumarate, croscarmellose sodium, hypromellose, titanium dioxide and polyethylene glycol. The sodium (Na + ) content is 2.92 mg per 600-mg tablet (0.1 mEq per tablet). structure

Lithium carbonate extended-release tablets, USP contain lithium carbonate, a white crystalline powder with molecular formula Li 2 CO 3 and molecular weight 73.89. Lithium is an element of the alkali-metal group with atomic number 3, atomic weight 6.94, and an emission line at 671 nm on the flame photometer. Each peach-colored, film-coated, extended-release tablet contains 300 mg of lithium carbonate. This slowly dissolving film-coated tablet is designed to give lower serum lithium peak concentrations than obtained with conventional oral lithium dosage forms. Inactive ingredients consist of calcium stearate, carnauba wax, povidone, sodium chloride, sodium lauryl sulfate, sodium starch glycolate, sorbitol, propylene glycol, hypromellose, FD&C Blue No. 2 Aluminum Lake, FD&C Red No. 40 Aluminum Lake, FD&C Yellow No. 6 Aluminum Lake, and titanium dioxide. Product meets USP Drug Release Test 1.

Each capsule for oral administration contains lithium carbonate USP, 150 mg, 300 mg, or 600 mg and the following inactive ingredients: talc, gelatin, FD&C Red No. 40, titanium dioxide, D&C Yellow No. 10, FD&C Yellow No. 6, and the imprinting ink contains black iron oxide, & Pharmaceutical glaze. Lithium is an element of the alkali-metal group with atomic number 3, atomic weight 6.94, and an emission line at 671 nm on the flame photometer. Lithium Carbonate, USP is a granular, white powder with molecular formula Li 2 CO 3 and molecular weight 73.89.

Losartan potassium and hydrochlorothiazide tablet USP 50 mg/12.5 mg, losartan potassium and hydrochlorothiazide tablet USP 100 mg/12.5 mg and losartan potassium and hydrochlorothiazide tablet USP 100 mg/25 mg combine an angiotensin II receptor blocker acting on the AT1 receptor subtype and a diuretic, hydrochlorothiazide. Losartan potassium, a non-peptide molecule, is chemically described as 2-butyl-4-chloro-1-[p-(o-1H-tetrazol-5-ylphenyl)benzyl]imidazole-5-methanol monopotassium salt. Its empirical formula is C 22 H 22 ClKN 6 O, and its structural formula is: Losartan potassium, USP is a white to off-white free-flowing crystalline powder with a molecular weight of 461.01. It is freely soluble in water, soluble in alcohols, and slightly soluble in common organic solvents, such as acetonitrile and methyl ethyl ketone. Oxidation of the 5-hydroxymethyl group on the imidazole ring results in the active metabolite of losartan. Hydrochlorothiazide is 6-chloro-3,4-dihydro-2H-1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide. Its empirical formula is C7H8ClN3O4S2 and its structural formula is: Hydrochlorothiazide, USP is a white, or practically white, crystalline powder with a molecular weight of 297.74, which is slightly soluble in water, but freely soluble in sodium hydroxide solution. Losartan potassium and hydrochlorothiazide tablets USP are available for oral administration in three tablet combinations of losartan USP and hydrochlorothiazide USP. Losartan potassium and hydrochlorothiazide tablet USP 50 mg/12.5 mg contain 50 mg of losartan potassium USP and 12.5 mg of hydrochlorothiazide USP. Losartan potassium and hydrochlorothiazide tablet USP 100 mg/12.5 mg contain 100 mg of losartan potassium USP and 12.5 mg of hydrochlorothiazide USP. Losartan potassium and hydrochlorothiazide tablet USP 100 mg/25 mg contain 100 mg of losartan potassium USP and 25 mg of hydrochlorothiazide USP. Inactive ingredients are hydroxypropyl cellulose, hypromellose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, pregelatinized starch, and titanium dioxide. Losartan potassium and hydrochlorothiazide tablet USP 50 mg/12.5 mg and 100 mg/25 mg also contain D&C yellow No. 10 aluminum lake. Losartan potassium and hydrochlorothiazide tablet USP 50 mg/12.5 mg contain 4.24 mg (0.108 mEq) of potassium, losartan potassium and hydrochlorothiazide tablet USP 100 mg/12.5 mg contain 8.48 mg (0.216 mEq) of potassium, and losartan potassium and hydrochlorothiazide tablet USP 100 mg/25 mg contain 8.48 mg (0.216 mEq) of potassium. losartanhctz-losar.jpg losartanhctz-hctz.jpg

Loteprednol etabonate and tobramycin ophthalmic suspension is a sterile, multiple dose topical anti-inflammatory corticosteroid and anti-infective combination for ophthalmic use. Both loteprednol etabonate and tobramycin are white to off-white powders. The chemical structures of loteprednol etabonate and tobramycin are shown below. Loteprednol etabonate: Structure: Molecular formula: C 24 H 31 ClO 7 Molecular Weight: 466.95 Chemical name: Chloromethyl 17α-[(ethoxycarbonyl)oxy]-11β-hydroxy-3-oxoandrosta-1,4-diene-17β-carboxylate Or (11β, 17α)-17-[(ethoxycarbonyl)oxy]-11-hydroxy-3-oxoandrosta-1,4-diene-17-carboxylic acid chloromethyl ester Tobramycin: Structure: Molecular formula: C 18 H 37 N 5 O 9 Molecular Weight: 467.51 Chemical name: O-3-Amino-3-deoxy-α-D-glucopyranosyl-(1→4)-O-[2,6-diamino-2,3,6-trideoxy-α-D-ribo-hexopyranosyl-(1→6)]-2deoxystreptamine Each mL contains: Actives: Loteprednol Etabonate 5 mg (0.5%) and Tobramycin 3 mg (0.3%). Inactives: Edetate Disodium, Glycerin, Tyloxapol, Povidone, Water for Injection and Benzalkonium Chloride 0.01% (preservative). Sulfuric Acid and/or Sodium Hydroxide may be added to adjust the pH to 5.5 to 6.2. The suspension is essentially isotonic with a tonicity of 260 to 320 mOsm/kg. loteprednol-structure loteprednol-tobra-structure

Lurasidone hydrochloride is an atypical antipsychotic belonging to the chemical class of benzisothiazol derivatives. Its chemical name is (3a R ,4 S ,7 R ,7a S )-2-{(1 R ,2 R )-2-[4-(1,2-benzisothiazol-3-yl)piperazin-1­ ylmethyl] cyclohexylmethyl}hexahydro-4,7-methano-2 H -isoindole-1,3-dione hydrochloride. Its molecular formula is C 28 H 36 N 4 O 2 S·HCl and its molecular weight is 529.14. The chemical structure is: Lurasidone hydrochloride is a white to cream powder. It is very slightly soluble to insoluble in water, sparingly soluble in methanol. Practically insoluble in toluene. Lurasidone hydrochloride tablets are intended for oral administration only. Each tablet contains 20 mg, 40 mg, 60 mg, 80 mg or 120 mg of lurasidone hydrochloride. Inactive ingredients are corn starch, croscarmellose sodium, hypromellose, magnesium stearate and mannitol. The tablets are film-coated with coating material containing hypromellose, polyethylene glycol 8000 and titanium dioxide. Additionally, the 80 mg tablet contains FD&C Blue No. 2 Aluminum Lake and iron oxide yellow. lurasidone-str.jpg

Memantine hydrochloride is an orally active NMDA receptor antagonist. The chemical name for memantine hydrochloride is 1-amino-3,5-dimethyladamantane hydrochloride with the following structural formula: The molecular formula is C 12 H 21 N•HCl and the molecular weight is 215.76. Memantine hydrochloride occurs as a fine white to off-white powder and is soluble in methanol and sparingly soluble in water. Memantine hydrochloride is available as tablets. Memantine hydrochloride is available for oral administration as capsule-shaped, film-coated tablets containing 5 mg and 10 mg of memantine hydrochloride. The tablets also contain the following inactive ingredients: microcrystalline cellulose, lactose monohydrate, colloidal silicon dioxide, talc, croscarmellose sodium, and magnesium stearate. In addition the following inactive ingredients are also present as components of the film coat: hypromellose, titanium dioxide, macrogol/polyethylene glycol 400, FD&C yellow #6 aluminum lake and FD&C blue #2 aluminum lake (5 mg tablets), and hypromellose, titanium dioxide, macrogol/polyethylene glycol 400 and iron oxide black (10 mg tablets). Structure

Meprobamate is a white powder with a characteristic odor and a bitter taste. It is slightly soluble in water, freely soluble in acetone and alcohol, and sparingly soluble in ether. The structural formula of meprobamate is: C 9 H 18 N 2 O 4 M.W. 218.25 Meprobamate Tablets USP 200 mg and 400 mg for oral administration contain the following inactive ingredients: colloidal silicon dioxide, magnesium stearate, microcrystalline cellulose, sodium starch glycolate and pregelatinised starch. Structure

Each mesalamine capsule is a delayed- and extended-release dosage form for oral administration. Each capsule contains 0.375 g of mesalamine, USP (5-aminosalicylic acid, 5-ASA), an aminosalicylate. The structural formula of mesalamine is: Molecular Weight: 153.14 Molecular Formula: C 7 H 7 NO 3 Each mesalamine extended-release capsule contains granules composed of mesalamine in a polymer matrix with an enteric coating that dissolves at pH 6 and above. The inactive ingredients of mesalamine extended-release capsules are: microcrystalline cellulose, hypromellose, colloidal silicon dioxide, ethyl acrylate and methyl methacrylate 2:1 copolymer, magnesium stearate, methacrylic acid and methyl methacrylate 1:1 copolymer, talc, triethyl citrate, titanium dioxide and hypromellose phthalate. The capsule shell contains titanium dioxide, FD&C Blue 1, FD&C Red 40 and gelatin. The capsule shells are printed with edible black ink containing shellac, black iron oxide and potassium hydroxide. Meets USP Dissolution Test 5. structure

Methotrexate, USP is dihydrofolate reductase inhibitor with the chemical name of N-[4-[[(2,4 diamino-6-pteridinyl) methyl]methylamino]benzoyl]-L glutamic acid. The molecular formula is C 20 H 22 N 8 O 5 and the molecular weight is 454.4 g/mol. The structural formula is: Methotrexate tablets, USP for oral use is available in bottles of 36 and 100 tablets. Each tablet contains 2.5 mg methotrexate, USP equivalent to 2.74 mg methotrexate sodium and the following inactive ingredients: lactose monohydrate, pregelatinized starch, microcrystalline cellulose and magnesium stearate. structure

Metolazone tablets, USP for oral administration contain 2.5, 5, or 10 mg of metolazone, USP, a diuretic/saluretic/antihypertensive drug of the quinazoline class. Metolazone has the molecular formula C 16 H 16 ClN 3 O 3 S, the chemical name 7-chloro-1, 2, 3, 4-tetrahydro-2-methyl-3-(2-methylphenyl)-4-oxo-6-quinazolinesulfonamide, and a molecular weight 365.83. The structural formula is: Metolazone is insoluble in water, sparingly soluble in methanol, slightly soluble in ethyl acetate, very slightly soluble in methylene chloride. Inactive Ingredients: Microcrystalline cellulose, magnesium stearate and colorants 2.5 mg -D&C Red No. 27 Aluminum Lake, 5 mg - FD&C Blue No. 2 Aluminum Lake and 10 mg - D&C Yellow No. 10 Aluminum Lake and FD&C Yellow No. 6 Aluminum Lake. Metolazone tablets, USP meets USP Dissolution Test 3 . structure

Metoprolol tartrate and hydrochlorothiazide tablets, USP has the antihypertensive effect of metoprolol tartrate, a beta adrenoreceptor blocker, and hydrochlorothiazide, a thiazide diruetic. It is available as tablets for oral administration. The 50/25 tablets contain 50 mg of metoprolol tartrate USP and 25 mg of hydrochlorothiazide USP; the 100/25 tablets contain 100 mg of metoprolol tartrate USP and 25 mg of hydrochlorothiazide USP; and the 100/50 tablets contain 100 mg of metoprolol tartrate USP and 50 mg of hydrochlorothiazide USP. Metoprolol tartrate USP is (±)-1-(Isopropylamino)-3-[ p -(2-methoxyethyl)phenoxy]-2-propanol L-(+)-tartrate (2:1) salt, and its structural formula is Metoprolol tartrate USP is a white, crystalline powder. It is very soluble in water; freely soluble in methylene chloride, in chloroform, and in alcohol; slightly soluble in acetone; and insoluble in ether. Its molecular weight is 684.82. Hydrochlorothiazide is 6-chloro-3, 4-dihydro-2 H -1,2,4-benzothiadiazine-7-sulfonamide 1,1- dioxide, and its structural formula is Hydrochlorothiazide USP is a white, or practically white, practically odorless, crystalline powder. It is freely soluble in sodium hydroxide solution, in n -butylamine, and in dimethylformamide; sparingly soluble in methanol; slightly soluble in water; and insoluble in ether, in chloroform, and in dilute mineral acids. Its molecular weight is 297.73. Inactive Ingredients: colloidal silicon dioxide, magnesium stearate, microcrystalline cellulose, sodium starch glycolate, povidone, lactose, pregelatinized starch. metoprolol hydrochlorothiazide

Metronidazole tablets USP, 250 mg or 500 mg is an oral formulation of the synthetic nitroimidazole antimicrobial, 2-methyl-5-nitro-1H-imidazole-1-ethanol, which has the following structural formula: Metronidazole tablets USP contain 250 mg or 500 mg of metronidazole. Inactive ingredients include colloidal silicon dioxide, crospovidone, hydrogenated vegetable oil, hydroxypropyl cellulose, microcrystalline cellulose. metronidazole-structure

Metronidazole capsules USP 375 mg is an oral formulation of the synthetic nitroimidazole antimicrobial agent, 2-methyl-5-nitro-1 H -imidazole-1-ethanol, which has the following structural formula: Metronidazole capsules USP 375 mg contain 375 mg of metronidazole USP. Inactive ingredients include corn starch, FD&C Yellow No. 5, gelatin, iron oxide black, magnesium stearate and titanium dioxide. Structure

Metronidazole gel USP, 1% is a nitroimidazole for topical use. Metronidazole gel USP, 1% is a clear, colorless to pale yellow, aqueous gel. Each gram contains 10 mg of metronidazole. Chemically, metronidazole is 2-methyl-5-nitro-1 H -imidazole-1-ethanol. The molecular formula for metronidazole is C 6 H 9 N 3 O 3 . It has the following structural formula: Metronidazole has a molecular weight of 171.16. It is a white to pale yellow crystalline powder. It is slightly soluble in alcohol and has solubility in water of 10 mg/mL at 20˚C. Metronidazole belongs to the nitroimidazole class of compounds. The inactive ingredients are betadex, edetate disodium, hydroxyethyl cellulose, methylparaben, niacinamide, phenoxyethanol, propylene glycol, propylparaben and purified water. Image

Name: Midodrine hydrochloride tablets, USP Dosage Form: 2.5 mg, 5 mg and 10 mg tablets for oral administration Active Ingredient: Midodrine hydrochloride, USP 2.5 mg, 5 mg and 10 mg Inactive Ingredients: Microcrystalline cellulose, crospovidone, hydroxypropyl cellulose, colloidal silicon dioxide and magnesium stearate. Pharmacological Classification: Vasopressor/Antihypotensive Chemical Names (USAN: Midodrine Hydrochloride): (1) Acetamide, 2-amino- N -[2-(2,5-dimethoxyphenyl)-2-hydroxyethyl]-monohydrochloride, (±)-; (2) (±)-2-amino-N-(ß-hydroxy-2,5-dimethoxyphenethyl)acetamide monohydrochloride BAN, INN, JAN: Midodrine Structural Formula: Molecular Formula: C 12 H 18 N 2 O 4 HCl Molecular Weight: 290.7 Organoleptic Properties: Odorless, white to off-white powder Solubility: Soluble in water, sparingly soluble in methanol pKa: 7.8 (0.3% aqueous solution) pH: 3.5 to 5.5 (5% aqueous solution) Melting Range: 200 to 203°C structure

Modafinil tablets are a wakefulness-promoting agent for oral administration. Modafinil is a racemic compound. The chemical name for modafinil is 2-[(diphenylmethyl)sulfinyl]acetamide. The molecular formula is C 15 H 15 NO 2 S and the molecular weight is 273.35. The chemical structure is: Modafinil is a white to off-white, crystalline powder that is practically insoluble in water and cyclohexane. It is sparingly to slightly soluble in methanol and acetone. Modafinil tablets USP contain 100 mg or 200 mg of modafinil USP and the following inactive ingredients: lactose monohydrate, microcrystalline cellulose, crospovidone, povidone, mannitol and magnesium stearate. Structure

Moxifloxacin ophthalmic solution USP 0.5% is a sterile solution for topical ophthalmic use. Moxifloxacin hydrochloride is an 8-methoxy fluoroquinolone anti-infective, with a diazabicyclononyl ring at the C7 position. The chemical name for moxifloxacin hydrochloride is 1- Cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-7-[(4aS,7aS)octahydro-6H-pyrrolol[3,4b]pyridin-6-yl]-4-oxo-3-quinolinecarboxylic acid, monohydrochloride. The molecular formula for moxifloxacin hydrochloride is C 21 H 24 F 3 N 4 O•HCl and its molecular weight is 437.9 g/mol. The chemical structure is presented below: Moxifloxacin hydrochloride is a slightly yellow to yellow crystalline powder. Each mL of Moxifloxacin ophthalmic solution USP contains 5.45 mg moxifloxacin hydrochloride, equivalent to 5 mg moxifloxacin base. Moxifloxacin ophthalmic solution USP contains Active : Moxifloxacin 0.5% (5 mg/mL); Inactives : Boric acid, water for injection, and sodium chloride. May also contain hydrochloric acid/sodium hydroxide to adjust pH to approximately 6.8. Moxifloxacin ophthalmic solution USP is an isotonic solution with an osmolality of approximately 290 mOsm/kg. moxifloxacin-structure

Mupirocin cream USP, 2% contains the dihydrate crystalline calcium hemi-salt of the RNA synthetase inhibitor antibacterial, mupirocin. Chemically, it is (α E ,2 S ,3 R ,4 R ,5 S )-5-[(2 S ,3 S ,4 S ,5 S )-2,3-epoxy-5-hydroxy-4-methylhexyl]tetrahydro-3,4-dihydroxy-β-methyl-2 H -pyran-2-crotonic acid, ester with 9-hydroxynonanoic acid, calcium salt (2:1), dihydrate. The molecular formula of mupirocin calcium is (C 26 H 43 O 9 ) 2 Ca•2H 2 O, and the molecular weight is 1075.3. The molecular weight of mupirocin free acid is 500.6. The structural formula of mupirocin calcium is: Each gram of mupirocin cream USP, 2% contains 20 mg (2% w/w) of mupirocin equivalent to 21.5 mg (2.15% w/w) of mupirocin calcium, USP. The inactive ingredients are benzyl alcohol, glycerol monostearate, mineral oil, phenoxyethanol, polyoxyl 20 cetostearyl ether, purified water, and xanthan gum. Image

Nadolol, USP is a synthetic nonselective beta-adrenergic receptor blocking agent designated chemically as 1-(tert-butylamino)-3-[(5,6,7,8-tetrahydro-cis-6,7-dihydroxy-1-naphthyl)oxy]-2-propanol. Structural formula: C 17 H 27 NO 4 MW 309.40 Nadolol, USP is a white to off-white powder. It is freely soluble in alcohol and in methanol, soluble in water at pH 2, slightly soluble in chloroform, in methylene chloride, in isopropyl alcohol, and in water (between pH 7 and pH 10); insoluble in acetone, in benzene, in ether, in hexane, and in trichloroethane. Each tablet for oral administration contains 20 mg, 40 mg, or 80 mg of nadolol, USP and the following inactive ingredients: povidone K-30, corn starch, microcrystalline cellulose, citric acid monohydrate, FD&C Blue No. 2 Aluminum Lake, and magnesium stearate. nadolol-structure.jpg

Nelarabine injection (nelarabine) is a prodrug of the cytotoxic deoxyguanosine analogue, 9-β- D ­ arabinofuranosylguanine (ara-G). The chemical name for nelarabine is 2-amino-9-β- D -arabinofuranosyl-6-methoxy-9 H -purine. It has the molecular formula C 11 H 15 N 5 O 5 and a molecular weight of 297.27. Nelarabine has the following structural formula: Nelarabine is slightly soluble to soluble in water and melts with decomposition between 209°C and 217°C. Nelarabine Injection is supplied as a clear, colorless, sterile solution in glass single-dose vials. Each vial contains 250 mg of nelarabine (5 mg nelarabine per mL) and the inactive ingredient sodium chloride (4.5 mg per mL) in Water for Injection, USP. Nelarabine injection is intended for intravenous infusion. Hydrochloric acid and sodium hydroxide may have been used to adjust the pH. The solution pH ranges from 5.0 to 7.0. nelarabine-structure