aurobindo pharma limited - Medication Listings

Sulfamethoxazole and trimethoprim is a synthetic antibacterial combination product available in DS (double strength) tablets, each containing 800 mg sulfamethoxazole and 160 mg trimethoprim; in tablets, each containing 400 mg sulfamethoxazole and 80 mg trimethoprim for oral administration. Sulfamethoxazole is N 1 -(5-methyl-3-isoxazolyl) sulfanilamide; the molecular formula is C 10 H 11 N 3 O 3 S. It is a white to off-white, practically odorless, crystalline powder, tasteless compound with a molecular weight of 253.28 and the following structural formula: Trimethoprim is 2,4-diamino-5-(3,4,5-trimethoxybenzyl) pyrimidine; the molecular formula is C 14 H 18 N 4 O 3 . It is a white or cream-colored crystals or crystalline powder with a molecular weight of 290.3 and the following structural formula: Inactive ingredients: Docusate sodium, magnesium stearate, pregelatinized starch (maize), sodium benzoate, and sodium starch glycolate. Sulfamethoxazole Chemical Structure Trimethoprim Chemical Structure

Sumatriptan and naproxen sodium tablets contain sumatriptan (as the succinate), a selective 5-hydroxytryptamine 1 (5-HT 1 ) receptor subtype agonist, and naproxen sodium, a member of the arylacetic acid group of NSAIDs. Sumatriptan succinate is chemically designated as 3-[2-(dimethylamino)ethyl]-N-methyl-indole-5-methanesulfonamide succinate (1:1), and it has the following structure: The molecular formula is C 14 H 21 N 3 O 2 S.C 4 H 6 O 4 , representing a molecular weight of 413.5. Sumatriptan succinate USP is a white or almost white powder that is freely soluble in water, sparingly soluble in methanol, practically insoluble in methylene chloride. Naproxen sodium is chemically designated as (S)-6-methoxy-α-methyl-2-naphthaleneacetic acid, sodium salt, and it has the following structure: The molecular formula is C 14 H 13 NaO 3 , representing a molecular weight of 252.23. Naproxen sodium USP is a white to creamy crystalline powder, sparingly soluble in water, in methanol and in alcohol, practically insoluble in chloroform, in acetone and in toluene. Each sumatriptan and naproxen sodium 85 mg/500 mg tablet for oral administration contains 119 mg of sumatriptan succinate USP equivalent to 85 mg of sumatriptan and 500 mg of naproxen sodium USP. Each tablet also contains the inactive ingredients colloidal silicon dioxide, croscarmellose sodium, crospovidone, dextrose monohydrate, lecithin (soya), maltodextrin, microcrystalline cellulose, silicified microcrystalline cellulose, povidone, sodium bicarbonate, sodium carboxymethyl cellulose, sodium stearyl fumarate, talc, and titanium dioxide. Chemical Structure Chemical Structure

Sunitinib is a kinase inhibitor present in sunitinib malate capules as the malate salt. Sunitinib malate is described chemically as (2 S )-2-hydroxybutanedoic acid with N -[2-(diethylamino)ethyl]-5-[( Z )-(5-fluoro-1,2-dihydro-2-oxo- 3H -indol-3-ylidine)methyl]-2,4-dimethyl- 1H -pyrrole-3-carboxamide (1:1). The molecular formula is C 22 H 27 FN 4 O 2 • C 4 H 6 O 5 and the molecular weight is 532.6 Daltons. The chemical structure of sunitinib malate is: Sunitinib malate is a yellow to orange powder with a pKa of 8.95. The solubility of sunitinib malate in aqueous media over the range pH 1.2 to pH 6.8 is in excess of 25 mg/mL. The log of the distribution coefficient (octanol/water) at pH 7 is 5.2. Sunitinib malate capsules are supplied as printed hard shell capsules containing 12.5 mg, 25 mg, 37.5 mg or 50 mg of sunitinib (equivalent to 16.71 mg, 33.41 mg, 50.12 mg, or 66.83 mg of sunitinib malate, respectively). The capsules contain the following inactive ingredients: croscarmellose sodium, magnesium stearate, mannitol, and povidone. The red opaque gelatin capsule shells contain gelatin, iron oxide red, and titanium dioxide; the olive green opaque gelatin capsule shells contain FD&C Blue 2, gelatin, iron oxide red, iron oxide yellow, and titanium dioxide; and the light green opaque gelatin capsule shells contain FD&C Blue 2, gelatin, iron oxide yellow, and titanium dioxide. The white printing ink contains potassium hydroxide, propylene glycol, shellac, and titanium dioxide and the black printing ink contains black iron oxide, potassium hydroxide, propylene glycol, and shellac. sunitinib-str

Tadalafil is a selective inhibitor of cyclic guanosine monophosphate (cGMP)-specific phosphodiesterase type 5 (PDE5). Tadalafil has the molecular formula C 22 H 19 N 3 O 4 representing a molecular weight of 389.41. The structural formula is: The chemical designation is pyrazino[1′,2′:1,6]pyrido[3,4-b]indole-1,4-dione, 6-(1,3-benzodioxol-5-yl)-2,3,6,7,12,12a-­hexahydro-2-methyl-, (6R,12aR)-. It is a white or almost white powder that is practically insoluble in water and very slightly soluble in ethanol. Tadalafil tablets USP are available as oval shaped tablets for oral administration. Each tablet contains 2.5 mg, 5 mg, 10 mg, or 20 mg of tadalafil USP and the following inactive ingredients: colloidal silicon dioxide, copovidone, croscarmellose sodium, hypromellose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyoxyl 40 hydrogenated castor oil, talc, titanium dioxide, triacetin, and yellow iron oxide. In addition the 2.5 mg also contains red iron oxide. Chemical Structure

Tadalafil, an oral treatment for pulmonary arterial hypertension, is a selective inhibitor of cyclic guanosine monophosphate (cGMP)–specific phosphodiesterase type 5 (PDE5). Tadalafil has the molecular formula C 22 H 19 N 3 O 4 representing a molecular weight of 389.41. The structural formula is: The chemical designation is pyrazino[1′,2′:1,6]pyrido[3,4–b]indole-1,4-dione, 6-(1,3-benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro-2-methyl-, (6R,12aR)-. It is a white or almost white powder that is practically insoluble in water and very slightly soluble in ethanol. Tadalafil Tablets USP are available as yellow colored, oval shaped, film-coated tablets for oral administration. Each tablet contains 20 mg of tadalafil USP and the following inactive ingredients: colloidal silicon dioxide, copovidone, croscarmellose sodium, hypromellose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyoxyl 40 hydrogenated castor oil, talc, titanium dioxide, triacetin, and yellow iron oxide. Chemical Structure

Tamoxifen citrate tablets, USP a nonsteroidal antiestrogen, are for oral administration. Tamoxifen citrate tablets are available as: 10 mg Tablets: Each tablet contains 15.2 mg of tamoxifen citrate USP equivalent to 10 mg of tamoxifen. 20 mg Tablets: Each tablet contains 30.4 mg of tamoxifen citrate USP equivalent to 20 mg of tamoxifen. Inactive Ingredients: corn starch (maize), croscarmellose sodium, hypromellose, lactose monohydrate, magnesium stearate, polyethylene glycol, povidone and titanium dioxide. Chemically, tamoxifen citrate is the trans-isomer of a triphenylethylene derivative. The chemical name is (Z)2-[4-(1,2-diphenyl-1-butenyl) phenoxy]-N, N-dimethylethanamine 2 hydroxy-1,2,3- propanetricarboxylate (1:1). The structural and molecular formulas are: Tamoxifen citrate has a molecular weight of 563.62, the pKa' is 8.85, the equilibrium solubility in water at 37°C is 0.3159 mg/mL and in 0.02 N HCl at 37°C, it is 0.4045 mg/mL. Chemical Structure

Tamsulosin hydrochloride is an antagonist of alpha 1A adrenoceptors in the prostate. Tamsulosin hydrochloride is (-)-( R )-5-[2-[[2-( o -Ethoxyphenoxy) ethyl]amino]propyl]-2-methoxybenzenesulfonamide, monohydrochloride. Tamsulosin hydrochloride USP is a white or almost white crystalline powder that melts with decomposition at approximately 230°C. It is sparingly soluble in water and methanol, slightly soluble in glacial acetic acid and ethanol, and practically insoluble in ether. The molecular formula of tamsulosin hydrochloride is C 20 H 28 N 2 O 5 S • HCl. The molecular weight of tamsulosin hydrochloride is 444.98. Its structural formula is: Each tamsulosin hydrochloride capsule, USP for oral administration contains tamsulosin hydrochloride USP 0.4 mg, and the following inactive ingredients: calcium stearate, FD&C Blue 2, gelatin, iron oxide red, iron oxide yellow, microcrystalline cellulose, methacrylic acid and ethyl acrylate copolymer dispersion, sodium lauryl sulfate, talc, triacetin, and titanium dioxide. The capsules are printed with SW-9008 Black Ink containing black iron oxide, butyl alcohol, dehydrated alcohol, isopropyl alcohol, potassium hydroxide, propylene glycol, shellac, and strong ammonia solution. Meets USP dissolution test 10. Chemical Structure

Telmisartan is a non-peptide angiotensin II receptor (type AT 1 ) antagonist. Telmisartan is chemically described as 4’-[(1,4’-dimethyl-2’-propyl [2,6’-bi-1H-benzimidazol]-1’-yl)methyl]-[1,1’-biphenyl]-2-carboxylic acid. Its molecular formula is C 33 H 30 N 4 O 2 , its molecular weight is 514.63, and its structural formula is: Telmisartan USP is a white or slightly yellowish, crystalline powder. It is practically insoluble in water and in the pH range of 3 to 9, sparingly soluble in strong acid (except insoluble in hydrochloric acid), and soluble in strong base. Telmisartan is available as tablets for oral administration, containing 20 mg, 40 mg or 80 mg of telmisartan USP. The tablets contain the following inactive ingredients: colloidal silicon dioxide, mannitol, meglumine, povidone, sodium hydroxide, and sodium stearyl fumarate. Telmisartan tablets USP are hygroscopic and require protection from moisture. Chemical Structure

Telmisartan and hydrochlorothiazide tablets USP are a combination of telmisartan, an orally active angiotensin II antagonist acting on the AT 1 receptor subtype, and hydrochlorothiazide, a thiazide diuretic. Telmisartan, a non-peptide molecule, is chemically described as 4'-[(1,4'-dimethyl-2'-propyl[2,6'-bi-1H­-benzimidazol]-1'-yl)methyl]-[1,1'-biphenyl]-2-carboxylic acid. Its molecular formula is C 33 H 30 N 4 O 2 , its molecular weight is 514.63, and its structural formula is: Telmisartan USP is a white or slightly yellowish, crystalline powder. It is sparingly soluble in methylene chloride, slightly soluble in methanol, practically insoluble in water. It dissolves in 1M sodium hydroxide. Hydrochlorothiazide USP is white or practically white, practically odorless, crystalline powder with a molecular weight of 297.74. It is slightly soluble in water, freely soluble in sodium hydroxide solution, in n-butylamine and in dimethylformamide; sparingly soluble in methanol; insoluble in ether, in chloroform and in dilute mineral acids. Hydrochlorothiazide is chemically described as 6-chloro-3,4-dihydro-2 H -1,2,4-benzothiadiazine-7­-sulfonamide 1,1-dioxide. Its molecular formula is C 7 H 8 ClN 3 O 4 S 2 , and its structural formula is: Telmisartan and hydrochlorothiazide tablets USP are formulated for oral administration in three combinations of 40 mg/12.5 mg, 80 mg/12.5 mg, and 80 mg/25 mg telmisartan and hydrochlorothiazide, respectively. The tablets contain the following inactive ingredients: colloidal silicon dioxide, hydroxypropyl cellulose, lactose monohydrate, mannitol, meglumine, povidone, sodium hydroxide pellets and sodium stearyl fumarate. In addition, the 40 mg/12.5 mg and 80 mg/12.5 mg tablets contain red ferric oxide and the 80 mg/25 mg tablets contain yellow ferric oxide. Telmisartan and hydrochlorothiazide tablets USP are hygroscopic and require protection from moisture. Meets USP dissolution test 3. Chemical Structure1 Chemical Structure2

Tenofovir disoproxil fumarate (TDF) (a prodrug of tenofovir) which is a fumaric acid salt of bis-isopropoxycarbonyloxymethyl ester derivative of tenofovir. TDF is converted in vivo to tenofovir, an acyclic nucleoside phosphonate (nucleotide) analog of adenosine 5'-monophosphate. Tenofovir exhibits activity against HIV-1 reverse transcriptase. The chemical name of TDF is 9-[( R )-2-[[bis[[(isopropoxycarbonyl)oxy]methoxy]phosphinyl]methoxy]propyl]adenine fumarate (1:1). It has a molecular formula of C 19 H 30 N 5 O 10 P • C 4 H 4 O 4 and a molecular weight of 635.52. It has the following structural formula: Tenofovir disoproxil fumarate is a white to off-white, crystalline powder with a solubility of 13.4 mg/mL in distilled water at 25°C. It has an octanol/phosphate buffer (pH 6.5) partition coefficient (log p) of 1.25 at 25°C. Tenofovir disoproxil fumarate is available as tablets. Tenofovir disoproxil fumarate tablets are for oral administration and are available in the following strengths: 150 mg, 200 mg, 250 mg, and 300 mg of TDF (equivalent to 123 mg, 163 mg, 204 mg, and 245 mg of tenofovir disoproxil, respectively). All strengths of tenofovir disoproxil fumarate tablets contain the following inactive ingredients: croscarmellose sodium, lactose monohydrate, magnesium stearate, microcrystalline cellulose, and pregelatinized starch (maize) (gluten free). The 300 mg strength tablets are coated with Opadry II White 32K18425, which contains hypromellose 15cP, lactose monohydrate, titanium dioxide, and triacetin. The 150 mg, 200 mg, and 250 mg strength tablets are coated with Aquarius BT18242 Cool Vanilla, which contains hypromellose 2910, lactose monohydrate, titanium dioxide and triacetin. In this insert, all dosages are expressed in terms of TDF except where otherwise noted. Tenofovir Structure

Terbinafine tablets, USP contain the synthetic allylamine antifungal compound terbinafine hydrochloride USP. Chemically, terbinafine hydrochloride is (E)- N -(6,6-dimethyl-2-hepten-4-ynyl)- N -methyl-1-naphthalenemethanamine hydrochloride. The molecular formula C 21 H 26 ClN with a molecular weight of 327.90, and the following structural formula: Terbinafine hydrochloride USP is a white to off-white fine crystalline powder. It is freely soluble in methanol and methylene chloride, soluble in ethanol, and slightly soluble in water. Each tablet contains : Active Ingredient: Terbinafine hydrochloride USP (equivalent to 250 mg of terbinafine) Inactive Ingredients: Microcrystalline cellulose, sodium starch glycolate, colloidal silicon dioxide, hypromellose, and magnesium stearate. Chemical Structure

Teriflunomide is an oral de novo pyrimidine synthesis inhibitor of the DHO-DH enzyme, with the chemical name (Z)-2-Cyano-3-hydroxy-but-2-enoic acid-(4-trifluoromethylphenyl)-amide. Its molecular weight is 270.21, and the molecular formula is C 12 H 9 F 3 N 2 O 2 with the following chemical structure: Teriflunomide is a white to almost white powder that is sparingly soluble in acetone and slightly soluble in acetonitrile. Teriflunomide is formulated as film-coated tablets for oral administration. Teriflunomide tablets contain 7 mg or 14 mg of teriflunomide and the following inactive ingredients: colloidal silicon dioxide, corn starch, FD & C blue # 2/ indigo carmine aluminum lake, hydroxypropylcellulose, hypromellose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol, sodium starch glycolate, talc and titanium dioxide. In addition 7 mg contains iron oxide yellow. Chemical Structure

Timolol Maleate Ophthalmic Gel Forming Solution, 0.5% Rx only Timolol maleate ophthalmic gel forming solution is a non-selective beta-adrenergic receptor blocking agent. Its chemical name is (-)-1-( tert -butylamino)-3-[(4­-morpholino-1,2,5-thiadiazol-3-yl)oxy]-2-propanol maleate (1:1) (salt). Timolol maleate possesses an asymmetric carbon atom in its structure and is provided as the levo-isomer. The optical rotation of timolol maleate is: 25° [α] in 1.0N HCl (C = 5%) = -12.2° (-11.7° to -12.5°). 405 nm Its molecular formula is C 13 H 24 N 4 O 3 S•C 4 H 4 O 4 and its structural formula is: Timolol maleate, USP has a molecular weight of 432.50. It is a white to practically white powder which is soluble in water, methanol, and alcohol. Timolol maleate ophthalmic gel forming solution is a sterile, colorless to nearly colorless, slightly opalescent and slightly viscous and is supplied as a sterile, isotonic, buffered, aqueous solution of timolol maleate in 0.5% strength. The pH of the solution is approximately 7.0, and the osmolarity is 260 to 330 mOsm. Each mL of timolol maleate ophthalmic gel forming solution 0.5% contains 5 mg of timolol (6.8 mg of timolol maleate). Inactive ingredients: gellan gum, tromethamine, mannitol, and water for injection. Preservative: benzododecinium bromide 0.012%. The gel forming solution contains a purified anionic heteropolysaccharide derived from gellan gum. An aqueous solution of gellan gum, in the presence of a cation, has the ability to gel. Upon contact with the precorneal tear film, timolol maleate ophthalmic gel forming solution forms a gel that is subsequently removed by the flow of tears. chemical structure

Tizanidine capsules contain tizanidine hydrochloride as the active ingredient, which is a central alpha 2 -adrenergic agonist. Its chemical name is 5-chloro-4-(2-imidazolin-2-ylamino)-2,1,3-benzothiadiazole monohydrochloride. It has a molecular formula of C 9 H 8 ClN 5 S-HCl and a molecular weight of 290.2. Its structural formula is: Tizanidine hydrochloride is almost white to slightly yellow, crystalline powder. Tizanidine hydrochloride is slightly soluble in water and methanol; solubility in water decreases as the pH increases. Tizanidine capsules are for oral administration and contain 2, 4, or 6 mg tizanidine (equivalent to 2.287 mg, 4.575 mg, and 6.862 mg tizanidine hydrochloride USP, respectively), and the inactive ingredients black iron oxide, D&C yellow 10, FD & C blue 1, gelatin, hypromellose, potassium hydroxide, shellac, silicon dioxide, sugar spheres (which contains starch (maize) and sucrose) and titanium dioxide. In addition 2 mg contains FD & C red 40, 4 mg and 6 mg contains FD&C yellow 6. Chemical Structure

Tobramycin inhalation solution, USP is a sterile, clear, slightly yellow, non-pyrogenic, aqueous solution with the pH and salinity adjusted specifically for administration by a compressed air driven reusable nebulizer. Tobramycin USP is a white or almost white powder. The chemical formula for tobramycin is C 18 H 37 N 5 O 9 and the molecular weight is 467.52 g/mol. Tobramycin is O-3-amino-3-deoxy-α-D-glucopyranosyl-(1→4)-O-[2,6-diamino-2,3,6-­trideoxy-α-D-ribo-hexopyranosyl-(1→6)]-2-deoxy-L-streptamine. The structural formula for tobramycin is: Each single-dose 5 mL ampule contains 300 mg tobramycin USP and 11.25 mg sodium chloride in water for injection. Sulfuric acid and sodium hydroxide are added to adjust the pH to 6.0. Nitrogen is used for sparging. All ingredients meet USP requirements. The formulation contains no preservatives. Chemical Structure

Topiramate is a sulfamate-substituted monosaccharide. Topiramate tablets are available as 25 mg, 50 mg, 100 mg, and 200 mg circular tablets for oral administration. Topiramate USP is a white crystalline powder with a bitter taste. Topiramate is most soluble in alkaline solutions containing sodium hydroxide or sodium phosphate and having a pH of 9 to 10. It is freely soluble in acetone, chloroform, dimethylsulfoxide, and ethanol. The solubility in water is 9.8 mg/mL. Its saturated solution has a pH of 6.3. Topiramate has the molecular formula C 12 H 21 NO 8 S and a molecular weight of 339.36. Topiramate is designated chemically as 2,3:4,5­-Di- O -isopropylidene-β-D-fructopyranose sulfamate and has the following structural formula: Topiramate tablets USP contain the following inactive ingredients: hypromellose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol, polysorbate 80, pregelatinized starch (maize), sodium starch glycolate, and titanium dioxide. In addition, the 50 mg and 100 mg tablets contain iron oxide yellow and 200 mg tablet contains iron oxide red. chemical structure

Topiramate is a sulfamate-substituted monosaccharide. Topiramate capsules USP are available as 15 mg and 25 mg capsules for oral administration as whole capsules or opened and sprinkled onto soft food. Topiramate, USP is a white to off-white powder with a bitter taste. Topiramate is most soluble in alkaline solutions containing sodium hydroxide or sodium phosphate and having a pH of 9 to 10. It is freely soluble in methylene chloride. The solubility in water is 12.05 mg/mL. Its saturated solution has a pH of 5.86. Topiramate has the molecular formula C 12 H 21 NO 8 S and a molecular weight of 339.36. Topiramate is designated chemically as 2,3:4,5-Di- O -isopropylidene-β-D-fructopyranose sulfamate and has the following structural formula: Topiramate capsules USP contain topiramate-coated pellets in a hard gelatin capsule. The inactive ingredients are cellulose acetate, gelatin, povidone, sodium lauryl sulfate, sugar spheres [starch (maize) and sucrose], talc and titanium dioxide. The black printing ink contains black iron oxide, potassium hydroxide, propylene glycol, and shellac. str

Torsemide is a diuretic of the pyridine-sulfonylurea class. Its chemical name is 1-isopropyl-3-[(4- m -toluidino-3-pyridyl) sulfonyl] urea and its structural formula is: Its molecular formula is C 16 H 20 N 4 O 3 S, its pKa is 7.1, and its molecular weight is 348.43. Torsemide USP is a white to off-white crystalline powder. The tablets for oral administration also contain crospovidone, lactose monohydrate, magnesium stearate, microcrystalline cellulose, and povidone. Torsemide Structure

Tramadol hydrochloride and acetaminophen tablets USP combine two analgesics, tramadol hydrochloride and opioid agonist, and acetaminophen. The chemical name for tramadol hydrochloride is (±)cis-2-[(dimethylamino)methyl]-1-(3-methoxyphenyl) cyclohexanol hydrochloride. Its structural formula is: The molecular weight of tramadol hydrochloride is 299.84. Tramadol hydrochloride USP is a white, crystalline powder. The chemical name for acetaminophen is N-acetyl-p-aminophenol. Its structural formula is: The molecular weight of acetaminophen is 151.17. Acetaminophen USP is an analgesic and antipyretic agent which occurs as a white, odorless, crystalline powder, possessing a slightly bitter taste. Tramadol hydrochloride and acetaminophen tablets USP contain 37.5 mg of tramadol hydrochloride USP and 325 mg acetaminophen USP and are light yellow in color. Inactive ingredients in the tablet are corn starch, hypromellose, magnesium stearate, microcrystalline cellulose, polyethylene glycol, polysorbate 80, pregelatinized starch (maize), sodium starch glycolate (potato), titanium dioxide and yellow iron oxide. Meets USP Dissolution Test 2. Chemical Structure1 Chemical Structure2

Trandolapril is the ethyl ester prodrug of a nonsulfhydryl angiotensin converting enzyme (ACE) inhibitor, trandolaprilat. Trandolapril is chemically described as (2S,3aR,7aS)-1-[(S)-N-[(S)-1-Carboxy-3-phenylpropyl]alanyl] hexahydro-2-indolinecarboxylic acid, 1-ethyl ester. Its molecular formula is C 24 H 34 N 2 O 5 and its structural formula is M.W. = 430.54 Melting Point = 125°C Trandolapril USP is a white or almost white powder that is soluble (>100 mg/mL) in chloroform, dichloromethane, and methanol. Trandolapril tablets USP contain 1 mg, 2 mg, or 4 mg of trandolapril USP for oral administration. Each tablet also contains lactose monohydrate, corn starch, croscarmellose sodium, hypromellose, povidone, and sodium stearyl fumarate. In addition 1 mg and 4 mg tablet also contains ferric oxide red and 2 mg tablet contains ferric oxide yellow. Chemical Structure

Tranexamic acid tablets, USP are an antifibrinolytic drug administered orally. The chemical name is trans-4-aminomethyl-cyclohexanecarboxylic acid. The structural formula is: Tranexamic acid, USP is a white crystalline powder. It is freely soluble in water and in glacial acetic acid, practically insoluble in acetone and in alochol. The molecular formula is C 8 H 15 NO 2 and the molecular weight is 157.2. Tranexamic acid tablets, USP are provided as a white to off-white, oval, biconvex tablets debossed with “TA” on one side and “650” on the other side. The active ingredient in each tablet is 650 mg tranexamic acid, USP. The inactive ingredients contained in each tablet are: colloidal silicon dioxide, hypromellose, magnesium stearate, mannitol, microcrystalline cellulose, povidone, pregelatinized starch (corn) and stearic acid. Meets USP dissolution test 3. Chemical Structure

Tretinoin gel, USP, containing tretinoin USP, is used for the topical treatment of acne vulgaris. Tretinoin gel, USP contains tretinoin USP (retinoic acid, vitamin A acid) 0.1 mg (0.01%) by weight, in a gel vehicle of alcohol (90.5% w/w), butylated hydroxytoluene and hydroxypropyl cellulose. Chemically, tretinoin is all - trans -retinoic acid and has the following structure: str

Tretinoin gel, USP, containing tretinoin USP, is used for the topical treatment of acne vulgaris. Tretinoin gel, USP contains tretinoin USP (retinoic acid, vitamin A acid) 0.25 mg (0.025%) by weight, in a gel vehicle of alcohol (90.5% w/w), butylated hydroxytoluene and hydroxypropyl cellulose. Chemically, tretinoin is all - trans -retinoic acid and has the following structure: Chemical Structure

Tri-Lo-Mili is a combination oral contraceptive containing the progestational compound norgestimate and the estrogenic compound ethinyl estradiol. Norgestimate is designated as (18,19-Dinor-17-pregn-4-en-20-yn-3-one,17-(acetyloxy)-13-ethyl-, oxime, (17α)-(+)-) and ethinyl estradiol is designated as (19-nor-17α-pregna,1,3,5(10)-trien-20-yne-3,17-diol). Each active white to off white tablet contains 0.180 mg of norgestimate USP and 0.025 mg of ethinyl estradiol USP. Inactive ingredients include croscarmellose sodium, hypromellose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol, and titanium dioxide. Each active pale blue to bluish white tablet contains 0.215 mg of norgestimate USP and 0.025 mg of ethinyl estradiol USP. Inactive ingredients include croscarmellose sodium, FD&C Blue #2/Indigo carmine aluminum lake, hypromellose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol, and titanium dioxide. Each active blue to light blue tablet contains 0.250 mg of norgestimate USP and 0.025 mg of ethinyl estradiol USP. Inactive ingredients include croscarmellose sodium, FD&C Blue #2/Indigo carmine aluminum lake, hypromellose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol, and titanium dioxide. Each green placebo tablet contains only inert ingredients, as follows: anhydrous lactose, FD&C Blue No. 2 aluminum lake, ferric oxide yellow, magnesium stearate, microcrystalline cellulose, and povidone. Chemical Structure

Tri-Mili is a combination oral contraceptive containing the progestational compound norgestimate and the estrogenic compound ethinyl estradiol. Norgestimate is designated as (18,19-Dinor-17-pregn-4-en-20-yn-3-one,17-(acetyloxy)-13-ethyl-, oxime, (17α)-(+)-) and ethinyl estradiol is designated as (19-nor-17α-pregna,1,3,5(10)-trien-20-yne-3,17-diol). Each active white tablet contains 0.180 mg of norgestimate USP and 0.035 mg of ethinyl estradiol USP. Inactive ingredients include croscarmellose sodium, hypromellose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol, and titanium dioxide. Each active light blue tablet contains 0.215 mg of norgestimate USP and 0.035 mg of ethinyl estradiol USP. Inactive ingredients include croscarmellose sodium, FD&C #2/Indigo carmine aluminum lake, hypromellose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol, and titanium dioxide. Each active dark blue tablet contains 0.250 mg of norgestimate USP and 0.035 mg of ethinyl estradiol USP. Inactive ingredients include croscarmellose sodium, FD&C #2/Indigo carmine aluminum lake, hypromellose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol, and titanium dioxide. Each green tablet contains only inert ingredients, as follows: anhydrous lactose, FD&C Blue No. 2 aluminum lake, ferric oxide yellow, magnesium stearate, microcrystalline cellulose, and povidone. Structure

Ursodiol capsules, USP are a bile acid available as 300 mg capsules suitable for oral administration. Ursodiol USP (ursodeoxycholic acid), a naturally occurring bile acid found in small quantities in normal human bile and in the biles of certain other mammals. It is a bitter-tasting, white or almost white crystalline powder practically insoluble in water; freely soluble in ethanol (96 percent), slightly soluble in acetone, practically insoluble in methylene chloride. The chemical name for ursodiol is 3α,7β-dihydroxy-5β-cholan-24-oic acid (C 24 H 40 O 4 ). Ursodiol USP has a molecular weight of 392.58. Its structure is shown below: Inactive Ingredients: Colloidal silicon dioxide, corn starch and magnesium stearate. The hard gelatin capsule shells contain gelatin, iron oxide red and titanium dioxide. The capsules are imprinted with black ink containing black iron oxide, potassium hydroxide and shellac. chemical structer

Valacyclovir hydrochloride is the hydrochloride salt of the L -valyl ester of the antiviral drug acyclovir. Valacyclovir tablets, USP are for oral administration. Each tablet contains 556 mg or 1.112 grams of valacyclovir hydrochloride USP (hydrous) equivalent to 500 mg or 1 gram of valacyclovir, respectively, and the inactive ingredients crospovidone, FD&C blue #2/indigo carmine aluminum lake, hypromellose, magnesium stearate, microcrystalline cellulose, polyethylene glycol, polysorbate 80, povidone, and titanium dioxide. The chemical name of valacyclovir hydrochloride is L -valine, 2-[(2-amino-1,6-dihydro-6-oxo-9 H -purin-9-yl)methoxy]ethyl ester, monohydrochloride. It has the following structural formula: Valacyclovir hydrochloride USP (hydrous) is a white or almost white powder with the molecular formula C 13 H 20 N 6 O 4 •HCl and a molecular weight of 360.80. The maximum solubility in water at 25°C is 174 mg/mL. The pk a s for valacyclovir hydrochloride are 1.90, 7.47, and 9.43. Chemical Structure

Valganciclovir for oral solution, USP contains valganciclovir hydrochloride USP, a hydrochloride salt of the L-valyl ester of ganciclovir that exists as a mixture of two diastereomers. Ganciclovir is a synthetic guanine derivative active against CMV. Valganciclovir hydrochloride USP is available as a powder for oral solution, which when constituted with water as directed contains 50 mg/mL valganciclovir free base. The inactive ingredients of valganciclovir for oral solution, USP are mannitol, povidone, propylene glycol, saccharin sodium, sodium benzoate, tartaric acid, and tutti-frutti flavor. Valganciclovir hydrochloride USP is a white to off-white powder with a molecular formula of C 14 H 22 N 6 O 5 ·HCl and a molecular weight of 390.83. The chemical name for valganciclovir hydrochloride is L-Valine, 2-[(2-amino-1,6-dihydro-6-oxo-9H-purin-9-yl)methoxy]-3-hydroxypropyl ester, monohydrochloride. Valganciclovir hydrochloride is a polar hydrophilic compound with a solubility of 70 mg/mL in water at 25ºC at a pH of 7.0 and an n-octanol/water partition coefficient of 0.0095 at pH 7.0. The pKa for valganciclovir hydrochloride is 7.6. The chemical structure of valganciclovir hydrochloride is: All doses in this insert are specified in terms of valganciclovir. Chemical Structure

Valganciclovir tablets USP contain valganciclovir hydrochloride, a hydrochloride salt of the L-valyl ester of ganciclovir that exists as a mixture of two diastereomers. Ganciclovir is a synthetic guanine derivative active against CMV. Valganciclovir hydrochloride USP is available as a 450 mg tablet for oral administration. Each tablet contains 496.3 mg of valganciclovir hydrochloride USP (corresponding to 450 mg of valganciclovir), and the inactive ingredients crospovidone, hypromellose, iron oxide red, magnesium stearate, microcrystalline cellulose, polyethylene glycol, polysorbate, povidone, and titanium dioxide. Valganciclovir hydrochloride USP is a white to off-white powder with a molecular formula of C 14 H 22 N 6 O 5 ·HCl and a molecular weight of 390.83. The chemical name for valganciclovir hydrochloride is L-Valine, 2-­[(2-amino-1,6-dihydro-6-oxo-9H-purin-9-yl)methoxy]-3-hydroxypropyl ester, monohydrochloride. Valganciclovir hydrochloride is a polar hydrophilic compound with a solubility of 70 mg/mL in water at 25°C at a pH of 7.0 and an n-octanol/water partition coefficient of 0.0095 at pH 7.0. The pKa for valganciclovir hydrochloride is 7.6. The chemical structure of valganciclovir hydrochloride is: All doses in this insert are specified in terms of valganciclovir. str

Valsartan is a nonpeptide, orally active, and specific angiotensin II receptor blocker acting on the AT 1 receptor subtype. Valsartan is chemically described as N -(1-oxopentyl)- N -[[2′-(1 H -tetrazol-5-yl) [1,1′-biphenyl]-4-yl]methyl]-L-valine. Its molecular formula is C 24 H 29 N 5 O 3 , its molecular weight is 435.5, and its structural formula is: Valsartan USP is a white, fine hygroscopic powder. It is soluble in ethanol and methanol and slightly soluble in water. Valsartan is available as tablets for oral administration, containing 40 mg, 80 mg, 160 mg or 320 mg of valsartan USP. The inactive ingredients of the tablets are colloidal silicon dioxide, crospovidone, hypromellose, iron oxide red, iron oxide yellow, lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol, sodium lauryl sulfate, talc, and titanium dioxide. In addition 320 mg also contains iron oxide black. Meets USP Dissolution Test 2. Chemical Structure

Valsartan and hydrochlorothiazide is a combination of valsartan, an orally active, specific angiotensin II receptor blocker (ARB) acting on the AT 1 receptor subtype, and hydrochlorothiazide, a diuretic. Valsartan, a nonpeptide molecule, is chemically described as N -(1-oxopentyl)- N -[[2’-(1 H -tetrazol-5-yl)[1,1΄-biphenyl]-4-yl]methyl]-L-Valine. Its molecular formula is C 24 H 29 N 5 O 3 , its molecular weight is 435.5, and its structural formula is: Valsartan USP is a white, fine hygroscopic powder. It is soluble in ethanol and methanol and practically insoluble in water. Hydrochlorothiazide USP is a white or practically white, practically odorless, crystalline powder. It is slightly soluble in water; freely soluble in sodium hydroxide solution, in n -butylamine, and in dimethylformamide; sparingly soluble in methanol; and insoluble in ether, in chloroform, and in dilute mineral acids. Hydrochlorothiazide is chemically described as 6-chloro-3,4-dihydro-2 H -1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide. Hydrochlorothiazide is a thiazide diuretic. Its molecular formula is C 7 H 8 ClN 3 O 4 S 2 , its molecular weight is 297.73, and its structural formula is: Valsartan and hydrochlorothiazide tablets, USP are formulated for oral administration to contain valsartan and hydrochlorothiazide, USP 80 mg/12.5 mg, 160 mg/12.5 mg, 160 mg/25 mg, 320 mg/12.5 mg, and 320 mg/25 mg. The inactive ingredients of the tablets are colloidal silicon dioxide, crospovidone, hypromellose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, polyethylene glycol, sodium lauryl sulfate, talc, and titanium dioxide. In addition, the 80 mg/12.5 mg and 160 mg/12.5 mg contains iron oxide red and iron oxide yellow, the 160 mg/25 mg contains iron oxide black, iron oxide red, and iron oxide yellow, 320 mg/12.5 mg contains iron oxide black and iron oxide red, and the 320 mg/25 mg contains iron oxide yellow. Chemical Structure1 Chemical Structure 2

Varenicline tablets contain varenicline (as the tartrate salt), which is a partial nicotinic agonist selective for α 4 β 2 nicotinic acetylcholine receptor subtypes. Varenicline, as the tartrate salt, is a powder which is a white to off-white to slightly yellow solid with the following chemical name: 7,8,9,10-tetrahydro-6,10-methano-6 H -pyrazino[2,3- h][3]benzazepine, (2 R ,3 R )-2,3-dihydroxybutanedioate (1:1). It is freely soluble in water and very slightly soluble in methanol. Varenicline tartrate has a molecular weight of 361.35 Daltons, and a molecular formula of C 13 H 13 N 3 • C 4 H 6 O 6 . The chemical structure is: Varenicline tablets are supplied for oral administration in two strengths: 0.5 mg capsular, biconvex, white, film-coated tablet debossed with ‘VA’ on one side and ‘0.5’ on the other side and a 1 mg capsular, biconvex, light blue, film-coated tablet debossed with ‘VA’ on one side and ‘1’ on the other side. Each 0.5 mg varenicline tablet contains 0.85 mg of varenicline tartrate equivalent to 0.5 mg of varenicline free base; each 1 mg varenicline tablet contains 1.71 mg of varenicline tartrate equivalent to 1 mg of varenicline free base. The following inactive ingredients are included in the tablets: colloidal silicon dioxide, croscarmellose sodium, dibasic calcium phosphate anhydrous, hypromellose, magnesium stearate, microcrystalline cellulose, titanium dioxide. In addition 1 mg tablet contains FD&C Blue #2. Structure

Venlafaxine hydrochloride is a structurally novel antidepressant for oral administration. It is designated (R/S)-1-[2-(dimethylamino)-1-(4-methoxyphenyl)ethyl]cyclohexanol hydrochloride or (±)-1-[α-[(dimethyl-amino)methyl]-p-methoxybenzyl]cyclohexanol hydrochloride and has the molecular formula of C 17 H 27 NO 2 HCl. Its molecular weight is 313.87. The structural formula is shown below. Venlafaxine hydrochloride USP is a white or almost white crystalline powder with a solubility of 572 mg/mL in water (adjusted to ionic strength of 0.2 M with sodium chloride). Its octanol:water (0.2 M sodium chloride) partition coefficient is 0.43. Compressed tablets contain venlafaxine hydrochloride USP equivalent to 25 mg, 37.5 mg, 50 mg, 75 mg, or 100 mg venlafaxine. Inactive ingredients consist of lactose monohydrate, microcrystalline cellulose, sodium starch glycolate, ferric oxide brown, ferric oxide yellow, povidone (Kollidone 30), and magnesium stearate. Chemical Structure

Venlafaxine hydrochloride extended-release capsule, USP is an extended-release capsule for once-a-day oral administration that contains venlafaxine hydrochloride USP a serotonin and norepinephrine reuptake inhibitor (SNRI). Venlafaxine is designated (R/S)-1-[2-(dimethylamino)-1-(4-methoxyphenyl)ethyl] cyclohexanol hydrochloride or (±)-1-[α- [(dimethylamino)methyl]-p-­methoxybenzyl] cyclohexanol hydrochloride and has the molecular formula of C 17 H 27 NO 2 HCl. Its molecular weight is 313.86. The structural formula is shown as follows: Venlafaxine hydrochloride USP is a white or almost white crystalline powder, with a solubility of 572 mg/mL in water (adjusted to ionic strength of 0.2 M with sodium chloride). Its octanol:water (0.2 M sodium chloride) partition coefficient is 0.43. Drug release is controlled by diffusion through the coating membrane on the spheroids and is not pH-dependent. Capsules contain venlafaxine hydrochloride USP equivalent to 37.5 mg, 75 mg, or 150 mg venlafaxine. Inactive ingredients consist of ethyl cellulose, hypromellose, sugar spheres, and talc. The empty hard gelatin capsule shells contain iron oxide red, gelatin, titanium dioxide, and sodium lauryl sulphate. In addition, the 37.5 mg empty hard gelatin capsule shells contain iron oxide black. The capsules are printed with edible ink containing black iron oxide and shellac. Meets the USP Dissolution Test - 4 Chemical Structure

Vigabatrin is an oral antiepileptic drug and is available as a white to off-white granular powder for oral solution in packets of 500 mg. The chemical name of vigabatrin, a racemate consisting of two enantiomers, is (±) 4-amino-5-hexenoic acid. The molecular formula is C 6 H 11 NO 2 and the molecular weight is 129.16. It has the following structural formula: Vigabatrin is a white or almost white powder which is freely soluble in water, slightly soluble in methanol, very slightly to practically insoluble in alcohol, practically insoluble in methylene chloride, insoluble in toluene. The pH of a 1% aqueous solution is about 6.9. The n-octanol/water partition coefficient of vigabatrin is about 0.011 (log P=- 1.96) at physiologic pH. Vigabatrin melts with decomposition in a 3-degree range within the temperature interval of 171°C to 176°C. The dissociation constants (pK a ) of vigabatrin are 4 and 9.7 at room temperature (25°C). Vigabatrin for oral solution, USP is available as a white to off-white granular powder. Each packet contains 500 mg of vigabatrin, USP. The inactive ingredient is povidone. Chemical Structure

Vigabatrin tablets, USP are an oral antiepileptic drug and are available as white to off-white film-coated 500 mg tablets. The chemical name of vigabatrin, a racemate consisting of two enantiomers, is (±) 4-amino-5-hexenoic acid. The molecular formula is C 6 H 11 NO 2 and the molecular weight is 129.16. It has the following structural formula: Vigabatrin USP is a white or almost white powder which is freely soluble in water, slightly soluble in methanol, very slightly to practically insoluble in alcohol, practically insoluble in methylene chloride, and insoluble in toluene. The pH of a 1% aqueous solution is about 6.9. The n-octanol/water partition coefficient of vigabatrin is about 0.011 (log P=- 1.96) at physiologic pH. Vigabatrin melts with decomposition in a 3-degree range within the temperature interval of 171°C to 176°C. The dissociation constants (pK a ) of vigabatrin are 4 and 9.7 at room temperature (25°C). Each vigabatrin tablet, USP contains 500 mg of vigabatrin USP. The inactive ingredients are hypromellose, magnesium stearate, microcrystalline cellulose, polyethylene glycol, povidone, sodium starch glycolate and titanium dioxide. FDA approved dissolution test specifications differ from USP. str

Voriconazole, an azole antifungal agent is available as film-coated tablets for oral administration. The structural formula is: Voriconazole is designated chemically as (2R,3S)-2-(2, 4-difluorophenyl)-3-(5-fluoro-4- pyrimidinyl)-1-(1 H -1,2,4-triazol-1-yl)-2-butanol with an molecular formula of C 16 H 14 F 3 N 5 O and a molecular weight of 349.3. Voriconazole USP drug substance is a white to almost white powder. Voriconazole tablets contain 50 mg or 200 mg of voriconazole USP. The inactive ingredients include colloidal silicon dioxide, corn starch, croscarmellose sodium, hypromellose, lactose monohydrate, magnesium stearate, povidone, pregelatinized starch (maize), titanium dioxide and triacetin. Chemical Structure

Zafirlukast is a synthetic, selective peptide leukotriene receptor antagonist (LTRA), with the chemical name 4-(5-cyclopentyloxy-carbonylamino-1-methyl-indol-3-ylmethyl)-3-methoxy-N-o-tolylsulfonylbenzamide. The molecular weight of zafirlukast is 575.7 and the structural formula is: The molecular formula is: C 31 H 33 N 3 O 6 S Zafirlukast, off-white to light pink color powder, is practically insoluble in water, freely soluble in tetrahydrofuran, dimethylsulfoxide and acetone. Zafirlukast is supplied as 10 and 20 mg tablets for oral administration. Inactive Ingredients : Film-coated tablets containing croscarmellose sodium, hypromellose, lactose monohydrate, magnesium stearate, microcrystalline cellulose, povidone and titanium dioxide. Chemical-Structure

Zaleplon is a nonbenzodiazepine hypnotic from the pyrazolopyrimidine class. The chemical name of zaleplon is N-[3-(3-cyanopyrazolo[1,5-a]pyrimidin-7-yl)phenyl]-N-ethylacetamide. Its molecular formula is C 17 H 15 N 5 O, and its molecular weight is 305.34. The structural formula is shown below. Zaleplon USP is a white to light pale yellow, crystalline powder that is practically insoluble in water and sparingly soluble in alcohol or propylene glycol. Its partition coefficient in octanol/water is constant (log PC = 1.23) over the pH range of 1 to 7. Zaleplon capsules USP contain zaleplon USP as the active ingredient. Inactive ingredients consist of microcrystalline cellulose, lactose monohydrate, pregelatinized starch (maize), sodium lauryl sulfate, colloidal silicon dioxide, and stearic acid. The empty hard gelatin capsule shells contain FD&C Blue #1, FD&C Green #3, FD&C Yellow #5, titanium dioxide, and gelatin. The capsules are printed with edible ink containing black iron oxide and shellac. Meets the USP Dissolution Test - 2. Chemical Structure

Zidovudine (formerly called azidothymidine [AZT]), a pyrimidine nucleoside analogue active against HIV-1. The chemical name of zidovudine is 3'-azido-3'-deoxythymidine; it has the following structural formula: Zidovudine USP is a white to beige, odorless, crystalline solid with a molecular weight of 267.24 and a solubility of 20.1 mg per mL in water at 25°C. The molecular formula is C 10 H 13 N 5 O 4 . Zidovudine capsules, USP are for oral administration. Each capsule contains 100 mg of zidovudine USP and the inactive ingredients microcrystalline cellulose, pregelatinised starch (maize), sodium starch glycolate, magnesium stearate. The 100 mg empty hard gelatin capsule, printed with edible black ink, consists of black iron oxide, and shellac. The capsule consists of titanium dioxide, sodium lauryl sulfate, and gelatin. Chemical Structure

Zidovudine (formerly called azidothymidine [AZT]), a pyrimidine nucleoside analogue active against HIV-1. The chemical name of zidovudine is 3'-azido-3'-deoxythymidine; it has the following structural formula: Zidovudine USP is a white to beige, odorless, crystalline solid with a molecular weight of 267.24 and a solubility of 20.1 mg per mL in water at 25°C. The molecular formula is C 10 H 13 N 5 O 4 . Zidovudine Oral Solution, USP is for oral administration. Each (mL) of zidovudine oral solution contains 10 mg of zidovudine and the inactive ingredients sodium benzoate 0.2% (added as a preservative), citric acid anhydrous, strawberry cream flavor, glycerin, and sucrose. Meets USP Organic Impurities Procedure 2 Chemical Structure

Zidovudine (formerly called azidothymidine [AZT]), a pyrimidine nucleoside analogue active against HIV-1. The chemical name of zidovudine is 3'-azido-3'-deoxythymidine; it has the following structural formula: Zidovudine USP is a white to beige, odorless, crystalline solid with a molecular weight of 267.24 and a solubility of 20.1 mg per mL in water at 25°C. The molecular formula is C 10 H 13 N 5 O 4 . Zidovudine tablets, USP are for oral administration. Each film-coated tablet contains 300 mg of zidovudine USP and the inactive ingredients hypromellose, magnesium stearate, microcrystalline cellulose, polyethylene glycol, sodium starch glycolate, and titanium dioxide. Chemical Structure

Ziprasidone capsules contain the active moiety, ziprasidone, in the form of ziprasidone hydrochloride salt. Ziprasidone is a psychotropic agent that is chemically unrelated to phenothiazine or butyrophenone antipsychotic agents. It has a molecular weight of 412.94 (free base), with the following chemical name: 5-[2-[4-(1,2-benzisothiazol-3-yl)-1-piperazinyl]ethyl]-6-chloro-1,3-dihydro-2 H -indol-2-one. The molecular formula of C 21 H 21 ClN 4 OS (free base of ziprasidone) represents the following structural formula: Ziprasidone capsules USP contain a monohydrochloride, monohydrate salt of ziprasidone. Chemically, ziprasidone hydrochloride monohydrate is 5-[2-[4-(1,2­-benzisothiazol-3-yl)-1-piperazinyl]ethyl]-6-chloro-1,3-dihydro-2 H -indol-2-one, monohydrochloride, monohydrate. The molecular formula is C 21 H 21 ClN 4 OS·HCl·H 2 O and its molecular weight is 467.42. Ziprasidone hydrochloride USP is a white to slightly pink powder. Ziprasidone capsules USP are supplied for oral administration in 20 mg (blue/off-white), 40 mg (blue/blue), 60 mg (off-white/off-white), and 80 mg (blue/off-white) capsules. Ziprasidone capsules USP contain ziprasidone hydrochloride USP, ethyl cellulose, lactose monohydrate, magnesium stearate, and pregelatinized starch (maize). The empty hard gelatin capsule shells also contain gelatin, sodium lauryl sulfate, and titanium dioxide. In addition the 20 mg, 40 mg and 80 mg capsule shells contain FD & C Blue 2. The capsules are imprinted with edible ink containing black iron oxide, potassium hydroxide, shellac and strong ammonia solution. Meets USP Dissolution Test 2. Chemical Structure

Zolmitriptan tablets, USP contain zolmitriptan, which is a selective 5-hydroxytryptamine 1B/1D (5-HT 1B/1D ) receptor agonist. Zolmitriptan is chemically designated as (S)-4-[[3-[2-(dimethylamino)ethyl]-1H-indol-5-yl]methyl]-2-oxazolidinone and has the following chemical structure: The molecular formula is C 16 H 21 N 3 O 2 , representing a molecular weight of 287.36. Zolmitriptan is a white to off-white powder that is readily soluble in water. Zolmitriptan tablets, USP are available as 2.5 mg (yellow and functionally-score) and 5 mg (pink, not scored) film-coated tablets for oral administration. The film-coated tablets contain anhydrous lactose, colloidal silicon dioxide, hypromellose, magnesium stearate, microcrystalline cellulose, polyethylene glycol, sodium starch glycolate, and titanium dioxide. In addition, the 2.5 mg tablets contain yellow iron oxide and the 5 mg tablets contain red iron oxide. Zolmitriptan Chemical Structure

Zolpidem tartrate USP is a gamma-aminobutyric acid (GABA) A receptor positive modulator of the imidazopyridine class. Zolpidem tartrate USP is available in 5 mg and 10 mg strength tablets for oral administration. Chemically, zolpidem is N,N,6-trimethyl-2-p-tolylimidazo[1,2-a] pyridine-3-acetamide L-(+)-tartrate (2:1). It has the following structure: Zolpidem tartrate USP is a white to off-white crystalline powder that is sparingly soluble in water, alcohol, and propylene glycol. It has a molecular weight of 764.88. Each zolpidem tartrate tablet, USP includes the following inactive ingredients: lactose monohydrate, microcrystalline cellulose, sodium starch glycolate, magnesium stearate, hypromellose, polyethylene glycol, and titanium dioxide. Meets USP Dissolution Test-3. chemical structure

Zonisamide capsules, USP is an antiseizure drug chemically classified as a sulfonamide and unrelated to other antiseizure agents. The active ingredient is zonisamide USP, 1,2-benzisoxazole-3-methanesulfonamide. The molecular formula is C 8 H 8 N 2 O 3 S with a molecular weight of 212.23. Zonisamide is a white to off-white powder, pKa = 10.2, and is moderately soluble in water (0.8 mg/mL) and 0.1 N HCl (0.5 mg/mL). The chemical structure is: Zonisamide capsules, USP are supplied for oral administration as capsules containing 25 mg, 50 mg or 100 mg zonisamide USP. Each 25 mg, 50 mg and 100 mg capsule contains the labeled amount of zonisamide USP plus the following inactive ingredients: hydrogenated vegetable oil and microcrystalline cellulose. The capsule shell contains gelatin and titanium dioxide. Imprinting ink contains black iron oxide E172, butyl alcohol, dehydrated alcohol, isopropyl alcohol, potassium hydroxide, propylene glycol, purified water, shellac and strong ammonia solution. In addition 100 mg zonisamide capsule shell contains black iron oxide E172 and red iron oxide E172. Chemical Structure

Zumandimine (drospirenone and ethinyl estradiol tablets, USP) provide an oral contraceptive regimen consisting of 28 tablets that contain the ingredients specified for each tablet below: 21 light pink to pink tablets contains 3 mg DRSP and 0.03 mg EE 7 inert green tablets The inactive ingredients in the light pink to pink tablets are corn starch, FD&C Red no. 40, lactose monohydrate, magnesium stearate, povidone, talc and vitamin-E. The green inert tablets contain anhydrous lactose, croscarmellose sodium, FD &C Blue No.2 aluminum lake, ferric oxide yellow, magnesium stearate, microcrystalline cellulose and povidone. Drospirenone (6R,7R,8R,9S,10R,13S,14S,15S,16S,17S)-1,3',4',6,6a,7,8,9,10,11,12,13, 14,15,15a,16-hexadecahydro-10,13-dimethylspiro-[17H-dicyclopropa-[6,7:15,16] cyclopenta[a]phenanthrene-17,2'(5H)-furan]-3,5'(2H)-dione) is a synthetic progestational compound and has a molecular weight of 366.5 and a molecular formula of C 24 H 30 O 3 . Ethinyl estradiol (19-nor-17α-pregna 1,3,5(10)-triene-20-yne-3,17-diol) is a synthetic estrogenic compound and has a molecular weight of 296.4 and a molecular formula of C 20 H 24 O 2 . The structural formulas are as follows: FDA approved dissolution test specifications differ from USP. Structure