amneal pharmaceuticals llc - Medication Listings

10% Calcium Chloride Injection, USP is a sterile, nonpyrogenic, hypertonic, clear, colorless solution for single administration only. Each mL contains 100 mg (1.4 mEq/mL) of calcium chloride, dihydrate (1.4 mEq each of Ca ++ and Cl − ) in water for injection. It is provided in a 10 mL single-dose syringe and 10 mL single-dose vial for intravenous injection. The solution contains no bacteriostat, antimicrobial agent or added buffer. The pH of 10% calcium chloride injection, USP is between 5.5 to 7.5 when diluted with water for injection to make a 5% solution. May contain hydrochloric acid and/or sodium hydroxide for pH adjustment. The osmolar concentration is 2.04 mOsmol/mL (calc.). 10% calcium chloride injection, USP is oxygen sensitive. Calcium chloride dihydrate, USP is chemically designated CaCl 2 • 2H 2 O (dihydrate) and its structural formula is as below: It appears as white, hard, odorless fragments or granules. It is deliquescent. It is very soluble in boiling water, freely soluble in water, in alcohol and in boiling alcohol. Calcium chloride injection, USP contains no more than 1,000 mcg/L of aluminum [see Warnings and Precautions (5.2) ]. 1

Carboprost tromethamine injection USP, an oxytocic, contains the tromethamine salt of the (15S)-15 methyl analogue of naturally occurring prostaglandin F2α in a sterile solution suitable for intramuscular injection. Carboprost tromethamine USP, is the established name for the active ingredient in carboprost tromethamine injection, USP. Four other chemical names are: 1. (15S)-15-methyl prostaglandin F2α tromethamine salt 2. (Z)-7-[(1R,2R,3R,5S)-3,5-dihydroxy-2-[(E)-(3S)-3-hydroxy-3-methyl-1-octenyl]cyclopentyl]-5-heptenoic acid compound with 2-amino-2-(hydroxymethyl)-1,3-propanediol (1:1) 3. Prosta-5,13-dien-1-oic acid, 9,11,15-trihydroxy-15-methyl-, (5Z,9α,11α,13E,15S)-, compound with 2-amino-2-(hydroxy-methyl)-1,3-propanediol (1:1) The structural formula is represented below: The molecular formula is C 21 H 36 O 5 .C 4 H 11 NO 3 . The molecular weight of carboprost tromethamine, USP is 489.64. It is a white to off-white crystalline powder. It generally melts between 95° and 105°C, depending on the rate of heating. Carboprost tromethamine, USP dissolves readily in water at room temperature at a concentration greater than 75 mg/mL. Each mL of carboprost tromethamine injection, USP contains carboprost tromethamine, USP equivalent to 250 mcg of carboprost, 83 mcg tromethamine, 9 mg sodium chloride, and 9.45 mg benzyl alcohol added as preservative. When necessary, pH is adjusted with sodium hydroxide and/or hydrochloric acid. The solution is sterile. structure

The active ingredient in carmustine for injection, USP is a nitrosourea with the chemical name 1,3-bis(2-chloroethyl)-1-nitrosourea and a molecular weight of 214.05 g/mol. The drug product is supplied as sterile lyophilized pale yellow flakes or a congealed mass, and it is highly soluble in alcohol and lipids, and poorly soluble in water. Carmustine for injection is administered by intravenous infusion after reconstitution, as recommended. The molecular formula of carmustine is C 5 H 9 Cl 2 N 3 O 2 and the structural formula of carmustine is: Carmustine for injection, USP is available in 100 mg single-dose vials of lyophilized material. Sterile diluent for constitution of carmustine for injection, USP is co-packaged with the active drug product for use in constitution of the lyophile. The diluent is supplied in a vial containing 3 mL of dehydrated alcohol injection, USP. 10

INDICATIONS AND USAGE temporarily relieves these symptoms due to hay fever or other upper respiratory allergies: ● runny nose ● sneezing ● itchy, watery eyes ● itching of the nose or throat

Cetirizine hydrochloride is an orally active and selective H 1 -receptor antagonist. The chemical name is (±) - [2- [4- [(4-chlorophenyl) phenylmethyl]- 1 - piperazinyl] ethoxy] acetic acid, dihydrochloride. Cetirizine hydrochloride is a racemic compound with an empirical formula of C 21 H 25 ClN 2 O 3 •2HCl. The molecular weight is 461.82 and the chemical structure is shown below: Cetirizine hydrochloride, USP is a white, crystalline powder and is water soluble. Cetirizine hydrochloride oral solution, USP is a clear, colorless to pale yellow solution containing cetirizine hydrochloride, USP at a concentration of 1 mg/mL (5 mg/5 mL) for oral administration. The pH is between 4 and 5. The inactive ingredients of the oral solution are: glacial acetic acid, glycerin, grape flavor, methylparaben, propylene glycol, propylparaben, sodium acetate, sucrose and water. b91292b2-figure-01

INDICATIONS AND USAGE temporarily relieves these symptoms due to hay fever or other upper respiratory allergies: ● runny nose ● sneezing ● itchy, watery eyes ● itching of the nose or throat

Uses temporarily relieves these symptoms due to hay fever or other upper respiratory allergies: runny nose sneezing itchy, watery eyes itching of the nose and throat

Uses relieves itching due to hives (urticaria). This product will not prevent hives or a allergic skin reaction from occurring.

INDICATIONS AND USAGE Relieves itching due to hives (urticaria). This product will not prevent hives or an allergic skin reaction from occurring.

Chlorthalidone is an oral antihypertensive/diuretic. It is a monosulfamyl diuretic that differs chemically from thiazide diuretics in that a double-ring system is incorporated in its structure. It is 2-chloro-5(1-hydroxy-3-oxo-1- isoindolinyl) benzenesulfonamide with the following structural formula: Molecular Formula: C 14 H 11 ClN 2 O 4 S Molecular weight: 338.76 Chlorthalidone, USP is practically insoluble in water, in ether and in chloroform; soluble in methanol; slightly soluble in ethanol. Chlorthalidone tablets, USP are available containing either 25 mg or 50 mg of chlorthalidone, USP and the following inactive ingredients: colloidal silicon dioxide, D & C yellow No. 10 aluminum lake, microcrystalline cellulose, pregelatinized starch (Botanical source – maize), sodium starch glycolate Type A and stearic acid. The 50 mg tablet also contains the FD & C Blue No.1 Brilliant Blue FCF Aluminum Lake. structured formula for chlorthalidone, USP

Cinacalcet tablets contain the hydrochloride salt of the active ingredient cinacalcet, a positive modulator of the calcium sensing receptor. The empirical formula for cinacalcet is C 22 H 22 F 3 N⋅HCl with a molecular weight of 393.9 g/mol (hydrochloride salt) and 357.4 g/mol (free base). It has one chiral center having an R-absolute configuration. The R-enantiomer is the more potent enantiomer and has been shown to be responsible for pharmacodynamic activity. The hydrochloride salt of cinacalcet is a white to off-white, crystalline solid that is soluble in methanol or 95% ethanol and slightly soluble in water. The hydrochloride salt of cinacalcet is described chemically as N-[1-(R)-(-)-(1-naphthyl)ethyl]-3-[3-(trifluoromethyl)phenyl]-1-aminopropane hydrochloride and has the following structural formula: Cinacalcet tablets are formulated as green color, film-coated, oval-shaped tablets for oral administration in strengths of 30 mg, 60 mg, and 90 mg of cinacalcet as the free base equivalent (33 mg, 66 mg, and 99 mg as the hydrochloride salt, respectively). Inactive Ingredients The following are the inactive ingredients in cinacalcet tablets: colloidal silicon dioxide, crospovidone, D&C Yellow #10 aluminum lake, FD&C Blue #2/Indigo carmine aluminum lake, hypromellose, magnesium stearate, mannitol, microcrystalline cellulose, polyethylene glycol, polyvinyl alcohol, pregelatinized starch (corn), talc, and titanium dioxide. a7c316fa-figure-01

Clindamycin palmitate hydrochloride, USP is a water soluble hydrochloride salt of the ester of clindamycin and palmitic acid. Clindamycin is a semisynthetic antibiotic produced by a 7(S)-chloro-substitution of the 7(R)-hydroxyl group of the parent compound lincomycin. The structural formula is represented below: The chemical name for clindamycin palmitate hydrochloride is Methyl 7-chloro-6, 7, 8- trideoxy-6-(1-methyl- trans -4-propyl-L-2-pyrrolidinecarboxamido)-1-thio-L- threo -α-D- galacto -octopyranoside 2-palmitate monohydrochloride. Clindamycin palmitate hydrochloride for oral solution Flavored Granules contain clindamycin palmitate hydrochloride for reconstitution. Each 5 mL contains the equivalent of 75 mg clindamycin. Inactive ingredients: artificial cherry flavor, dextrin, ethylparaben, poloxamer 188, sucrose. Chemical Structure

Clofarabine injection contains clofarabine, a purine nucleoside metabolic inhibitor. The chemical name of clofarabine is 2-chloro-9-(2-deoxy-2-fluoro-β-D-arabinofuranosyl)-9H-purin-6-amine. Its molecular formula is C 10 H 11 ClFN 5 O 3 with a molecular weight of 303.68 Daltons. The molecular structure of clofarabine is: Clofarabine injection (1 mg/mL) is supplied in a 20 mL, single-dose vial. The 20 mL vial contains 20 mg clofarabine formulated in 20 mL unbuffered normal saline (comprised of Water for Injection, USP, and Sodium Chloride, USP). The pH range of the solution is 4.5 to 7.5. The solution is sterile, clear and practically colorless, and is preservative-free. 1

Colchicine, USP is an alkaloid chemically described as (S)N- (5,6,7,9-tetrahydro- 1,2,3, 10-tetramethoxy-9-oxobenzo [alpha] heptalen-7-yl) acetamide with a molecular formula of C 22 H 25 NO 6 and a molecular weight of 399.4. The structural formula of colchicine, USP is given below. Colchicine, USP occurs as a pale yellow powder that is soluble in water. Colchicine tablets, USP are supplied for oral administration as purple, capsule-shaped, film-coated tablets, scored on one side and debossed with ”A10” on the other, containing 0.6 mg of the active ingredient colchicine, USP. Inactive ingredients: ethanol, FD&C blue #2, FD&C red #40, hypromellose, lactose monohydrate, macrogol, magnesium stearate, microcrystalline cellulose, polydextrose, pregelatinized starch (corn), purified water, sodium starch glycolate, titanium dioxide and triacetin. USP Dissolution Test Pending. 30a820b8-figure-01

CREXONT is a combination of carbidopa, an inhibitor of aromatic amino acid decarboxylation, and levodopa, an aromatic amino acid, in extended-release capsules for oral use. CREXONT contains immediate-release granules consisting of carbidopa and levodopa and extended-release pellets consisting of levodopa. Carbidopa is a white to off-white powder, crystalline compound, slightly soluble in water, with a molecular weight of 244.24. It is designated chemically as (–)-L-α-hydrazino-α-methyl-β-(3,4-dihydroxy-benzene) propanoic acid monohydrate. Its molecular formula is C 10 H 14 N 2 O 4 •H 2 O and its structural formula is: Capsule content is expressed in terms of anhydrous carbidopa, which has a molecular weight of 226.3. Levodopa is a white, crystalline compound, slightly soluble in water, with a molecular weight of 197.2. It is designated chemically as (–)-L-α-amino-β-(3,4-dihydroxy-benzene) propanoic acid. Its molecular formula is C 9 H 11 NO 4 and its structural formula is: Each CREXONT extended-release capsule contains 35 mg carbidopa and 140 mg levodopa, 52.5 mg carbidopa and 210 mg levodopa, 70 mg carbidopa and 280 mg levodopa, or 87.5 mg carbidopa and 350 mg levodopa. The inactive ingredients are amino methacrylate copolymer, cellulose acetate, copovidone, croscarmellose sodium, magnesium stearate, mannitol, methacrylic acid and methyl methacrylate copolymer, microcrystalline cellulose, povidone, sodium lauryl sulfate, talc, and triethyl citrate. The 35mg/140 mg capsule shell contains D&C yellow #10, gelatin, Red Iron Oxide, and titanium dioxide. The 52.5 mg/210 mg capsule shell contains FD&C Blue #1, gelatin, titanium dioxide, and yellow iron oxide. The 70 mg/280 mg capsule shell contains FD&C Blue #1, FD&C Red #3, gelatin, and titanium dioxide. The 87.5 mg/350 mg capsule shell contains gelatin, Red Iron Oxide, titanium dioxide, and yellow iron oxide. The black imprinting ink contains ammonium hydroxide, ethanol, ferrosoferric oxide/black iron oxide, isopropyl alcohol, n-butyl alcohol, propylene glycol, and shellac glaze. The white imprinting ink contains ethanol, isopropyl alcohol, n-butyl alcohol, povidone, propylene glycol, shellac glaze, sodium hydroxide, and titanium dioxide. CD Structural Formula LD Structural Formula

Cyclophosphamide is a synthetic antineoplastic drug chemically related to the nitrogen mustards. The chemical name for cyclophosphamide is 2-[bis(2-chloroethyl)amino]tetrahydro-2H-1,3,2-oxazaphosphorine 2-oxide monohydrate, and has the following structural formula: Cyclophosphamide, USP is a white crystalline powder with the molecular formula C 7 H 15 Cl 2 N 2 O 2 P•H 2 O and a molecular weight of 279.1. Cyclophosphamide is soluble in water, saline, or ethanol. Cyclophosphamide for Injection, USP is a sterile white powder available as 500 mg, 1 g, and 2 g strength vials. 500 mg vial contains 534.5 mg cyclophosphamide monohydrate equivalent to 500 mg cyclophosphamide, USP. 1 g vial contains 1069 mg cyclophosphamide monohydrate equivalent to 1 g cyclophosphamide, USP. 2 g vial contains 2138 mg cyclophosphamide monohydrate equivalent to 2 g cyclophosphamide, USP. 1

Dapsone gel, 5%, contains dapsone USP, a sulfone, in an aqueous gel base for topical dermatologic use. Dapsone gel, 5% is a gritty translucent material with visible drug substance particles. Chemically, dapsone has an empirical formula of C 12 H 12 N 2 O 2 S. It is a white, odorless crystalline powder that has a molecular weight of 248. Dapsone's chemical name is 4,4’-diaminodiphenylsulfone and its structural formula is: Each gram of dapsone gel, 5%, contains 50 mg of dapsone, USP, in a gel of carbomer homopolymer type C; diethylene glycol monoethyl ether, NF; methylparaben, NF; purified water, USP; and sodium hydroxide, NF. er

Decitabine is a nucleoside metabolic inhibitor. Decitabine is a fine, white to almost white powder with the molecular formula of C 8 H 12 N 4 O 4 and a molecular weight of 228.21. Its chemical name is 4-amino-1-(2-deoxy-β-D-erythro-pentofuranosyl)-1,3,5-triazin-2(1 H )-one and it has the following structural formula: Decitabine is slightly soluble in ethanol/water (50/50), methanol/water (50/50) and methanol; sparingly soluble in water and soluble in dimethylsulfoxide (DMSO). Decitabine for Injection, for intravenous use, is a sterile, white to almost white lyophilized powder supplied in a clear colorless glass single-dose vial. Each 20 mL vial contains 50 mg decitabine, 68 mg monobasic potassium phosphate (potassium dihydrogen phosphate) and 11.6 mg sodium hydroxide. Sodium hydroxide and/or hydrochloric acid are used for pH adjustment. structure

Demeclocycline HCl is an antibiotic isolated from a mutant strain of Streptomyces aureofaciens. Chemically it is 7-Chloro-4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,6,10,12,12a-pentahydroxy-1,11-dioxo-2-naphthacenecarboxamide monohydrochloride. Its structural formula is: Demeclocycline HCl tablets, USP, for oral administration, contain 150 mg or 300 mg of demeclocycline HCl, USP and the following inactive ingredients: alginic acid, corn starch, ethylcellulose, FD&C Red 40 aluminum lake, hypromellose, magnesium stearate, microcrystalline cellulose, polyethylene glycol, polyvinyl alcohol, sodium lauryl sulfate, talc and titanium dioxide. In addition, the 150 mg tablet contains D&C Red 27 aluminum lake. d94687e9-figure-01

Dexamethasone sodium phosphate injection, USP is a water-soluble inorganic ester of dexamethasone which produces a rapid response even when injected intramuscularly. Dexamethasone sodium phosphate, C 22 H 28 FNa 2 O 8 P, has a molecular weight of 516.41 and chemically is Pregna-1,4-diene-3,20-dione, 9-fluoro-11,17-dihydroxy-16-methyl-21-(phosphonooxy)-, disodium salt, (11β,16α). It occurs as a white to off-white powder, is exceedingly hygroscopic, is soluble in water and its solutions have a pH between 7.5 and 10.5. It has the following structural formula: Dexamethasone sodium phosphate injection, USP is available in 10 mg/mL concentration. Each mL of dexamethasone phosphate injection USP, 10 mg/mL (Preservative Free) , contains dexamethasone sodium phosphate, USP equivalent to 10 mg dexamethasone phosphate; 24.75 mg sodium citrate, dihydrate; and water for injection, (q.s.); pH adjusted with citric acid or sodium hydroxide. 1

Dexamethasone sodium phosphate injection, USP is a water-soluble inorganic ester of dexamethasone which produces a rapid response even when injected intramuscularly. Dexamethasone sodium phosphate, C 22 H 28 FNa 2 O 8 P, has a molecular weight of 516.41 and chemically is Pregna-1,4-diene-3,20-dione, 9-fluoro-11,17-dihydroxy-16-methyl-21-(phosphonooxy)-, disodium salt, (11β,16α). It occurs as a white to off-white powder, is exceedingly hygroscopic, is soluble in water and its solutions have a pH between 7.5 and 10.5. It has the following structural formula: Dexamethasone sodium phosphate injection, USP is available in 4 mg/mL concentration. Each mL of dexamethasone sodium phosphate injection USP, 4 mg/mL, contains 4.37 mg dexamethasone sodium phosphate, USP equivalent to 4 mg dexamethasone phosphate; 1 mg sodium sulfite; 10 mg benzyl alcohol (preservative); and water for injection (q.s.). Made isotonic with sodium citrate. pH adjusted with citric acid or sodium hydroxide. structure

DEXEDRINE (dextroamphetamine sulfate) is the dextro isomer of the compound d , l -amphetamine sulfate, a sympathomimetic amine of the amphetamine group. Chemically, dextroamphetamine is d -alpha-methylphenethylamine, and is present in all forms of DEXEDRINE as the neutral sulfate. Structural formula: SPANSULE capsules Each SPANSULE sustained-release capsule is so prepared that an initial dose is released promptly and the remaining medication is released gradually over a prolonged period. Each capsule, with brown cap and natural body, contains dextroamphetamine sulfate. The 5-mg capsule is imprinted in white with IX and 5 mg on the brown cap and is imprinted in white with 673 and 5 mg on the natural body. The 10-mg capsule is imprinted in white with IX and 10 mg on the brown cap and is imprinted in white with 674 and 10 mg on the natural body. The 15-mg capsule is imprinted in white with IX and 15 mg on the brown cap and is imprinted in white with 675 and 15 mg on the natural body. Product reformulation in 1996 has caused a minor change in the color of the time-released pellets within each capsule. Inactive ingredients now consist of cetyl alcohol, D&C Yellow No. 10, dibutyl sebacate, ethylcellulose, FD&C Blue No. 1, FD&C Red No. 40, FD&C Yellow No. 6, gelatin, hypromellose, polyethylene glycol, povidone, sodium lauryl sulfate, sugar spheres, and trace amounts of other inactive ingredients. DEXEDRINE - Chemical Structure

Dexmedetomidine Hydrochloride in 0.9% Sodium Chloride Injection is a sterile, nonpyrogenic ready to use solution suitable for intravenous infusion. Dexmedetomidine hydrochloride in 0.9% sodium chloride injection contains dexmedetomidine hydrochloride as the active pharmaceutical ingredient. Dexmedetomidine hydrochloride is a central alpha 2 -adrenergic agonist. Dexmedetomidine hydrochloride is the S-enantiomer of medetomidine and is chemically described as (+)-4-(S)-[1-(2,3-dimethylphenyl)ethyl]-1H-imidazole monohydrochloride. Dexmedetomidine hydrochloride has a molecular weight of 236.7 g/mol and the molecular formula is C 13 H 16 N 2 • HCl and the structural formula is: Dexmedetomidine hydrochloride, USP is a white to off-white powder that is freely soluble in water and has a pKa of 7.1. Its partition coefficient in-octanol: water at pH 7.4 is 2.89. Dexmedetomidine Hydrochloride in 0.9% Sodium Chloride Injection is supplied as a clear, colorless, isotonic solution with a pH of 4.5 to 7.0. Each mL contains 4.72 mcg of dexmedetomidine hydrochloride, USP equivalent to 4 mcg (0.004 mg) of dexmedetomidine and 9 mg of sodium chloride in water for injection and is ready to be used. The solution is preservative-free and contains no additives or chemical stabilizers. chem structure

Dexmedetomidine hydrochloride in 0.9% sodium chloride injection (4 mcg/mL) is a sterile, nonpyrogenic ready to use solution suitable for intravenous infusion. Dexmedetomidine hydrochloride in 0.9% sodium chloride injection contains dexmedetomidine hydrochloride as the active pharmaceutical ingredient. Dexmedetomidine hydrochloride is a central alpha 2 -adrenergic agonist. Dexmedetomidine hydrochloride is the S-enantiomer of medetomidine and is chemically described 1H-Imidazole, 4-[1-(2,3-dimethylphenyl)ethyl]-,monohydrochloride, (S)-. Dexmedetomidine hydrochloride has a molecular weight of 236.74 and the molecular formula is C 13 H 16 N 2 • HCl and the structural formula is: Dexmedetomidine hydrochloride, USP is a white to off-white powder that is freely soluble in water, chloroform, methanol and ethanol. It has a pKa of 7.1. Its partition coefficient in-octanol: water at pH 7.4 is 2.89. Dexmedetomidine hydrochloride in 0.9% sodium chloride injection is supplied as a clear, colorless, isotonic solution with a pH of 4.5 to 5.5. Each mL contains 4.72 mcg of dexmedetomidine hydrochloride, USP equivalent to 4 mcg (0.004 mg) of dexmedetomidine; 9 mg sodium chloride, USP; 483 mcg sodium acetate trihydrate, USP; 87 mcg glacial acetic acid, USP and water for injection, USP. The solution is preservative-free and contains no additives or chemical stabilizers. 1

INDICATIONS AND USAGE Uses Temporarily relieves cough due to minor throat and bronchial irritation as may occur with the common cold or inhaled irritants the impulse to cough to help you get to sleep

INDICATIONS AND USAGE Uses Temporarily relieves cough due to minor throat and bronchial irritation as may occur with the common cold or inhaled irritants the impulse to cough to help you get to sleep

Diclofenac sodium topical solution, USP contains 2% diclofenac sodium USP, a benzeneacetic acid derivative that is a nonsteroidal anti-inflammatory drug, and is available as a clear, colorless to faintly pink or orange solution for topical application. The chemical name is 2[(2,6-dichlorophenyl)amino]-benzeneacetic acid, monosodium salt. The molecular weight is 318.14. Its molecular formula is C 14 H 10 Cl 2 NNaO 2 , and it has the following chemical structure. Each 1 gram of solution contains 20 mg of diclofenac sodium, USP. The inactive ingredients: alcohol (30.74% v/v), dimethyl sulfoxide USP (DMSO, 45.5% w/w), hydroxypropyl cellulose, propylene glycol, and purified water. chem structure

Diclofenac sodium topical solution, USP 1.5% is a nonsteroidal anti-inflammatory drug, available as a clear, colorless to faintly pink-orange solution for topical application. Diclofenac sodium topical solution, USP contains 1.5% w/w diclofenac sodium, USP, a benzeneacetic acid derivative that is a nonsteroidal anti-inflammatory drug (NSAID), designated chemically as 2-[(2,6-dichlorophenyl)amino]-benzeneacetic acid, monosodium salt. It is a white to off-white crystalline powder, hygroscopic, and odorless that is freely soluble in methanol, soluble in alcohol, and sparingly soluble in water. The molecular weight is 318.13. Its molecular formula is C 14 H 10 Cl 2 NNaO 2 and it has the following structural formula: Each 1 mL of solution contains 16.05 mg of diclofenac sodium, USP. The inactive ingredients in diclofenac sodium topical solution, USP include: alcohol, dimethyl sulfoxide USP (DMSO, 45.5% w/w), glycerin, propylene glycol, and purified water. Structural Formula

Diclofenac sodium and misoprostol delayed-release tablets, USP is a combination product containing diclofenac sodium, USP, an NSAID with analgesic properties, and misoprostol, a gastrointestinal (GI) mucosal protective prostaglandin-1 (PGE1) analog. Diclofenac sodium and misoprostol delayed-release tablets are white to off-white, round, biconvex, and approximately 11 mm in diameter. Each tablet consists of an enteric-coated core containing 50 mg or 75 mg of diclofenac sodium, USP (equivalent to 46.39 mg or 69.58 mg of diclofenac, respectively) surrounded by an outer mantle containing 200 mcg misoprostol, USP. Diclofenac sodium, USP is a phenylacetic acid derivative that is a white to off-white, virtually odorless, crystalline powder. Diclofenac sodium, USP is freely soluble in methanol, soluble in ethanol, and practically insoluble in chloroform and in dilute acid. Diclofenac sodium, USP is sparingly soluble in water. Its chemical formula and name are: C 14 H 10 Cl 2 NO 2 Na [M.W. = 318.14] 2-[(2,6-dichlorophenyl) amino] benzeneacetic acid, monosodium salt. Misoprostol, USP is a water-soluble, viscous liquid that contains approximately equal amounts of two diastereomers. Its chemical formula and name are: C 22 H 38 O 5 [M.W. = 382.54] (±) methyl 11α,16-dihydroxy-16-methyl-9-oxoprost-13E-en-1-oate. Inactive ingredients in diclofenac sodium and misoprostol delayed-release tablets, USP include: colloidal silicon dioxide, corn starch, crospovidone, hydrogenated castor oil, hypromellose, lactose monohydrate, magnesium stearate, methacrylic acid and ethyl acrylate copolymer dispersion, microcrystalline cellulose, povidone, sodium hydroxide, talc, and triethyl citrate.

Divalproex sodium is a stable co-ordination compound comprised of sodium valproate and valproic acid in a 1:1 molar relationship and formed during the partial neutralization of valproic acid with 0.5 equivalent of sodium hydroxide. Chemically it is designated as sodium hydrogen bis(2-propylpentanoate). Divalproex sodium has the following structure: Divalproex sodium, USP occurs as a white powder with a characteristic odor. Divalproex sodium extended-release tablets USP, 250 mg and 500 mg are for oral administration. Divalproex sodium extended-release tablets, USP contain divalproex sodium, USP in a once-a-day extended-release formulation equivalent to 250 and 500 mg of valproic acid. Inactive Ingredients Divalproex sodium extended-release tablets USP, 250 mg and 500 mg: ammonium hydroxide, ethyl acrylate and methyl methacrylate co-polymer dispersion, hypromellose, iron oxide, isopropyl alcohol, lactose monohydrate, macrogol, magnesium stearate, microcrystalline cellulose, n-butyl alcohol, polyvinyl alcohol, propylene glycol, shellac, silicon dioxide, talc, and titanium dioxide. Meets USP Dissolution Test 10. 10

Docetaxel is an antineoplastic agent belonging to the taxoid family. It is prepared by semisynthesis beginning with a precursor extracted from the renewable needle biomass of yew plants. The chemical name for docetaxel anhydrous is benzenepropanoic acid, β-[[(1,1-dimethylethoxy) carbonyl) amino]-α-hydroxy-, 12b- (acetyloxy)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-4,6,11-trihydroxy-4a,8,13,13-tetramethyl-5-oxo-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl ester. Docetaxel anhydrous has the following structural formula: Docetaxel anhydrous, USP is a white or almost white crystalline powder with an molecular formula of C 43 H 53 NO 14 , and a molecular weight of 807.88. It is practically insoluble in water, soluble in acetone and methanol. One-vial Docetaxel Injection, USP Docetaxel Injection, USP is a sterile, non-pyrogenic, pale yellow to brownish-yellow solution at 20 mg/mL concentration. Each mL contains 20 mg docetaxel anhydrous USP, 0.4 mg citric acid anhydrous in 0.54 g polysorbate 80 and 0.395 g dehydrated alcohol (50% v/v) solution. Docetaxel Injection, USP is available in single-dose vials containing 20 mg (1 mL), 80 mg (4 mL) and 160 mg (8 mL) docetaxel anhydrous, USP. Docetaxel Injection, USP requires NO prior dilution with a diluent and is ready to add to the infusion solution. 1

DOTTI (estradiol transdermal system, USP) contains estradiol, USP in a multipolymeric adhesive. The system is designed to release estradiol, USP continuously upon application to intact skin. Five dosage strengths of DOTTI are available to provide nominal in vivo delivery rates of 0.025, 0.0375, 0.05, 0.075, or 0.1 mg of estradiol, USP per day via the skin. Each corresponding system has an active surface area of 1.89, 2.83, 3.78, 5.66, or 7.55 cm 2 and contains 0.314, 0.470, 0.627, 0.940, or 1.253 mg of estradiol USP, respectively. The composition of the systems per unit area is identical. Estradiol, USP is a white to practically white powder, chemically described as estra-1,3,5 (10)- triene-3,17β-diol. The structural formula is: The molecular formula of estradiol, USP is C 18 H 24 0 2 . The molecular weight is 272.39 g/mol. DOTTI is comprised of 3 layers. Proceeding from the visible surface toward the surface attached to the skin, these layers are (1) polyester and ethylene vinyl acetate copolymer film (2) an adhesive formulation containing estradiol USP, acrylic adhesive, silicone adhesive, oleyl alcohol, NF, povidone, USP and dipropylene glycol, and (3) a polyester release liner which is attached to the adhesive surface and must be removed before the system can be used. The active component of the system is estradiol, USP. The remaining components of the system are pharmacologically inactive. FDA approved acceptance criteria for dissolution test specifications differ from USP. 1 2

Doxorubicin hydrochloride is an anthracycline topoisomerase inhibitor isolated from cultures of Streptomyces peucetius var. caesius. The chemical name of doxorubicin hydrochloride is 5,12-Naphthacenedione, 10-[(3-amino-2,3,6-trideoxy-α-L- lyx o-hexopyranosyl)oxy]-7,8,9,10tetrahydro-6,8,11-trihydroxy-8-(hydroxylacetyl)-1-methoxy-, hydrochloride (8S- ci s)-. The chemical structure of doxorubicin hydrochloride is: Doxorubicin Hydrochloride for Injection, USP, for intravenous use is a sterile red to orange-red lyophilized cake or powder, provided in single-dose vials. Each 20 mg/vial contains 20 mg of doxorubicin hydrochloride, USP (equivalent to 18.74 mg of doxorubicin free base) and 100 mg of lactose monohydrate. Each 50 mg/vial contains 50 mg of doxorubicin hydrochloride, USP (equivalent to 46.86 mg of doxorubicin free base) and 250 mg of lactose monohydrate. formula_

To reduce the development of drug-resistant bacteria and maintain the effectiveness of doxycycline for injection and other antibacterial drugs, doxycycline for injection should be used only to treat or prevent infections that are proven or strongly suspected to be caused by bacteria. DESCRIPTION Doxycycline hyclate, USP is an antibacterial drug synthetically derived from oxytetracycline. Its chemical name is 2-Naphthacenecarboxamide, 4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-, monohydrochloride, compound with ethanol (2:1), monohydrate, [4S-( 4α,4aα,5α,5aα,6α,12aα )]. Its structural formula is as follows: Molecular formula: [C 22 H 24 N 2 O 8. HCl] 2 C 2 H 6 O H 2 O Molecular weight: 1025.88 g/mol Doxycycline hyclate, USP is a yellow color crystalline powder. It is soluble in water and in solutions of alkali hydroxides and carbonates; slightly soluble in alcohol; practically insoluble in chloroform and in ether. Doxycycline has a high degree of lipoid solubility and a low affinity for calcium binding. It is highly stable in normal human serum. Doxycycline for Injection USP, 100 mg/vial is a sterile yellow color lyophilized powder or cake filled in amber color glass vial with gray rubber stopper and orange flip off seal. Each vial contains doxycycline hyclate, USP equivalent to 100 mg doxycycline; ascorbic acid, 480 mg; and mannitol, 300 mg. 1

Dutasteride, USP is a synthetic 4-azasteroid compound that is a selective inhibitor of both the type 1 and type 2 isoforms of steroid 5 alpha-reductase, an intracellular enzyme that converts testosterone to DHT. Dutasteride, USP is chemically designated as (5α,17β)-N-{2,5 bis(trifluoromethyl)phenyl}-3-oxo-4-azaandrost-1-ene-17-carboxamide. The empirical formula of dutasteride, USP is C 27 H 30 F 6 N 2 O 2 , representing a molecular weight of 528.5 with the following structural formula: Dutasteride, USP is a white to pale yellow powder with a melting point of 242° to 250°C. It is soluble in ethanol (44 mg/mL), methanol (64 mg/mL), and polyethylene glycol 400 (3 mg/mL), but it is insoluble in water. Each dutasteride capsule, administered orally, contains 0.5 mg of dutasteride, USP dissolved in a mixture of mono-di-glycerides of glycerol monocaprylocaprate and butylated hydroxytoluene. The inactive excipients in the capsule shell are ferric oxide (yellow), gelatin (from certified BSE-free bovine sources), glycerin, purified water and titanium dioxide. Dutasteride structural formula

EluRyng (etonogestrel and ethinyl estradiol vaginal ring) is a non-biodegradable, flexible, transparent to translucent , colorless to almost colorless, combination contraceptive vaginal ring containing two active components, a progestin, etonogestrel (13-ethyl-17-hydroxy-11-methylene-18,19-dinor-17α-pregn-4-en-20-yn-3-one) and an estrogen, ethinyl estradiol, USP (19-nor-17α-pregna-1,3,5(10)-trien-20-yne-3,17-diol). When placed in the vagina, each ring releases on average 0.120 mg/day of etonogestrel and 0.015 mg/day of ethinyl estradiol, USP over a three-week period of use. EluRyng is made of ethylene vinylacetate copolymers (28% and 9% vinylacetate) and magnesium stearate and contains 11.7 mg etonogestrel and 2.7 mg ethinyl estradiol, USP. EluRyng is not made with natural rubber latex. EluRyng has an outer diameter of 54 mm and a cross-sectional diameter of 4 mm. The molecular weights for etonogestrel and ethinyl estradiol, USP are 324.5 and 296.40, respectively. The structural formulas are as follows: formula

Entecavir, USP is a guanosine nucleoside analogue with selective activity against HBV. The chemical name for entecavir, USP is 2-amino-1,9-dihydro-9-[( 1S,3R,4S )-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-6 H -purin-6-one, monohydrate. Its molecular formula is C 12 H 15 N 5 O 3 •H 2 O, which corresponds to a molecular weight of 295.3. Entecavir has the following structural formula: Entecavir, USP is a white to off-white powder. It is slightly soluble in water (2.4 mg/mL), and the pH of the saturated solution in water is 7.9 at 25° C ± 0.5° C. Entecavir, USP film-coated tablets are available for oral administration in strengths of 0.5 mg and 1 mg of entecavir, USP. Entecavir, USP 0.5 mg and 1 mg film-coated tablets contain the following inactive ingredients: Crospovidone, lactose monohydrate, magnesium stearate, microcrystalline cellulose and povidone. The tablet coating contains hypromellose, iron oxide red (in 1 mg tablet only), polyethylene glycol 8,000 and titanium dioxide. Structural Formula

Ephedrine is an alpha- and beta-adrenergic agonist and a norepinephrine-releasing agent. Ephedrine sulfate injection, USP is a clear, colorless, sterile solution for intravenous injection. It must be diluted before intravenous administration. The chemical name of ephedrine sulfate is (1R,2S)-(-)-2-methylamine-1-phenylpropan-1-ol sulfate, and the molecular weight is 428.5 g/mol. Its molecular formula is (C 10 H 15 NO) 2 .H 2 SO 4 and structural formula is depicted below: Ephedrine sulfate, USP is a white to off-white powder; it is freely soluble in water and slightly soluble in alcohol. Each mL contains ephedrine sulfate, USP 50 mg (equivalent to 38 mg ephedrine base) in water for injection. The pH is adjusted with sodium hydroxide and/or glacial acetic acid if necessary. The pH range is 4.5 to 7.0. l

Epinephrine Injection, USP is a clear, colorless, sterile solution containing 1 mg/mL epinephrine USP, packaged as 30 mL of solution in a multiple-dose amber glass vial. Each mL of epinephrine injection, USP solution contains 1 mg epinephrine, USP; 9 mg sodium chloride; 0.457 mg sodium metabisulfite as an antioxidant; 6 mg of 1 N hydrochloric acid to adjust pH; 5.25 mg chlorobutanol anhydrous as a preservative and water for injection. The pH range is 2.4 to 5.0. Epinephrine is a sympathomimetic catecholamine. The chemical name of epinephrine, USP is: 1,2-Benzenediol, 4-[1-hydroxy-2-(methylamino)ethyl]-,( R ) or (-)-3,4-Dihydroxy-α-[(methylamino)methyl]benzyl alcohol. Its chemical structure is: Its molecular weight is 183.2 g/mol and molecular formula is C 9 H 13 NO 3 . Epinephrine, USP is a white to practically white, odourless, microcrystalline powder or granules, gradually darkening on exposure to light and air. It is very slightly soluble in water and in alcohol; insoluble in ether and in chloroform. Epinephrine solution deteriorates rapidly on exposure to air or light, turning pink from oxidation to adrenochrome and brown from the formation of melanin. structure

Escitalopram tablet contains escitalopram oxalate is a selective serotonin reuptake inhibitor (SSRI), present as escitalopram oxalate salt. Escitalopram is the pure S- enantiomer (single isomer) of the racemic bicyclic phthalane derivative citalopram. Escitalopram oxalate is designated S-(+)-1-[3-(dimethyl-amino)propyl]-1-( p -fluorophenyl)-5-phthalancarbonitrile oxalate with the following structural formula: The molecular formula is C 20 H 21 FN 2 O • C 2 H 2 O 4 and the molecular weight is 414.40. Escitalopram oxalate, USP occurs as a fine, white to slightly-yellow powder and is freely soluble in methanol and dimethyl sulfoxide (DMSO), soluble in isotonic saline solution, sparingly soluble in water and ethanol, slightly soluble in ethyl acetate and insoluble in heptane. Escitalopram tablets, USP are film-coated, round tablets containing 6.387 mg, 12.774 mg, 25.549 mg escitalopram oxalate, USP in strengths equivalent to 5 mg, 10 mg, and 20 mg, respectively, of escitalopram base. The 10 and 20 mg tablets are scored. The tablets also contain the following inactive ingredients: butylated hydroxyanisole, croscarmellose sodium, hypromellose, magnesium stearate, microcrystalline cellulose, polyethylene glycol, silicon dioxide and titanium dioxide. FDA approved dissolution test specifications differ from USP. hj

Esmolol hydrochloride in sodium chloride injection is a beta adrenergic receptor blocker with a very short duration of action (elimination half-life is approximately 9 minutes). Esmolol hydrochloride, USP is: 4-[2-Hydroxy –3-[(1-methylethyl)amino]-propoxy]benzenepropanoic acid methyl ester hydrochloride and has the following structure: Esmolol hydrochloride, USP has the molecular formula C 16 H 25 NO 4 .HCl and a molecular weight of 331.83 g/mol. It has one asymmetric center and exists as an enantiomeric pair. Esmolol hydrochloride, USP is a white to off-white crystalline powder. It is a relatively hydrophilic compound which is very soluble in water and freely soluble in alcohol. Its partition coefficient (octanol/water) at pH 3.0 to 5.0 is 1.7. 12 11.1 Esmolol Hydrochloride in Sodium Chloride Injection Dosage Form Esmolol hydrochloride in sodium chloride injection is clear, colorless to light yellow, sterile, nonpyrogenic, iso-osmotic solution. The formulations for esmolol hydrochloride in sodium chloride injection, 2,500 mg/250 mL (10 mg/mL) and esmolol hydrochloride in sodium chloride injection [DOUBLE STRENGTH], 2,000 mg/100 mL (20 mg/mL) are described in the table below: Table 4: Esmolol Hydrochloride in Sodium Chloride Injection Formulations Esmolol Hydrochloride in Sodium Chloride Injection Esmolol Hydrochloride in Sodium Chloride Injection [DOUBLE STRENGTH] Esmolol Hydrochloride, USP 10 mg/mL 20 mg/mL Sodium Chloride, USP 5.9 mg/mL 4.1 mg/mL Water for Injection, USP Q.S. to volume of 250 mL Q.S. to volume of 100 mL Sodium Acetate Trihydrate, USP 2.8 mg/mL 2.8 mg/mL Glacial Acetic Acid, USP 0.546 mg/mL 0.546 mg/mL Sodium Hydroxide Q.S. to adjust pH to 5.0 (4.5 to 5.5) Hydrochloric Acid Q.S. to adjust pH to 5.0 (4.5 to 5.5) Q.S. = Quantity sufficient The calculated osmolarity of esmolol hydrochloride in sodium chloride injection, 2,500 mg/250 mL (10 mg/mL) and esmolol hydrochloride in sodium chloride injection [DOUBLE STRENGTH] 2,000 mg/100 mL (20 mg/mL) is 312 mOsmol/L. The 250 mL and 100 mL Magiflex bags are non-latex, non-PVC with dual PP ports. Solutions in contact with the plastic container leach out certain chemical compounds from the plastic in very small amounts; however, biological testing was supportive of the safety of the plastic container materials.

Exenatide is a synthetic peptide, GLP-1 receptor agonist, that was originally identified in the lizard Heloderma suspectum . Exenatide is a 39-amino acid peptide amide. Exenatide has the empirical formula C 184 H 282 N 50 O 60 S and molecular weight of 4186.6 Daltons. The amino acid sequence for exenatide is shown below. H-His-Gly-Glu-Gly-Thr-Phe-Thr-Ser-Asp-Leu-Ser-Lys-Gln-Met-Glu-Glu-Glu-Ala-Val-Arg-Leu-Phe-Ile-Glu-Trp-Leu-Lys-Asn-Gly-Gly-Pro-Ser-Ser-Gly-Ala-Pro-Pro-Pro-Ser-NH 2 Exenatide injection, USP is supplied for subcutaneous administration as a sterile, preserved isotonic solution in a glass cartridge that has been assembled in a pen-injector (pen). Each milliliter (mL) contains 250 micrograms (mcg) synthetic exenatide, USP; 2.2 mg metacresol as an antimicrobial preservative; mannitol as a tonicity-adjusting agent; and glacial acetic acid and sodium acetate trihydrate in water for injection as a buffering solution at pH 4.5. Two prefilled pens are available to deliver unit doses of 5 mcg per dose or 10 mcg per dose. Each prefilled pen will deliver 60 doses to provide for 30 days of twice daily administration (BID). Each prefilled device is filled with volume to allow delivery of 1.2 mL or 2.4 mL. Each device contains additional volume to allow for troubleshooting the device 4 times.

Phenytoin sodium, USP is related to the barbiturates in chemical structure, but has a five-membered ring. The chemical name is 5,5-diphenyl-2,4 imidazolidinedione, having the following structural formula: Each extended phenytoin sodium capsule, USP for oral administration contains 100 mg phenytoin sodium, USP. Each capsule also contains the following inactive ingredients: D&C Red #28, D&C Red #33, FD&C Blue #1, gelatin, hydroxypropyl cellulose, mannitol, magnesium stearate, talc and titanium dioxide. Product in vivo performance is characterized by a slow and extended rate of absorption with peak blood concentrations expected in 4 to 12 hours as contrasted to Prompt Phenytoin Sodium Capsules , USP with a rapid rate of absorption with peak blood concentration expected in 1½ to 3 hours. Meets USP Dissolution Test 5. Struct Form.

Felbamate, USP is an antiepileptic available as a 600 mg/5 mL suspension for oral administration. Its chemical name is 2-phenyl-1,3-propanediol dicarbamate. Felbamate, USP is a white to off-white crystalline powder with a characteristic odor. It is very slightly soluble in water, slightly soluble in ethanol, sparingly soluble in methanol, and freely soluble in dimethyl sulfoxide. The molecular weight is 238.24; felbamate, USP molecular formula is C 11 H 14 N 2 O 4 ; its structural formula is: The inactive ingredients for felbamate oral suspension, USP 600 mg/5 mL are bubble gum flavor, carboxymethyl cellulose sodium, FD&C Yellow No. 6, FD&C Red No. 40, glycerin, methylparaben, microcrystalline cellulose, polysorbate 80, propylparaben, purified water, saccharin sodium, simethicone, and sorbitol. 8e2ca93c-figure-01

Felbamate, USP is an antiepileptic available as 400 mg and 600 mg tablets for oral administration. Its chemical name is 2-phenyl-1,3-propanediol dicarbamate. Felbamate, USP is a white to off-white crystalline powder with a characteristic odor. It is very slightly soluble in water, slightly soluble in ethanol, sparingly soluble in methanol, and freely soluble in dimethyl sulfoxide. The molecular weight is 238.24; felbamate's molecular formula is C 11 H 14 N 2 O 4 ; its structural formula is: The inactive ingredients for felbamate tablets, USP 400 mg and 600 mg are croscarmellose sodium, FD&C Yellow No. 6, D&C Yellow No. 10 and FD&C Red No. 40 (600 mg tablets only), lactose monohydrate, magnesium stearate, microcrystalline cellulose and pregelatinized starch. 95dbc5f9-figure-01

Fesoterodine fumarate extended-release tablets contain fesoterodine fumarate. 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, which is freely soluble in water. 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, fructose granular, glyceryl behenate, hypromellose, lactose monohydrate, lecithin (soya), maize starch, polyvinyl alcohol, talc, titanium dioxide and xanthan gum. Structural Fomula

Flecainide acetate is an antiarrhythmic drug available in tablets of 50, 100, or 150 mg for oral administration. Flecainide acetate is benzamide, N-(2-piperidinylmethyl)-2,5-bis(2,2,2-trifluoroethoxy)-, monoacetate. The structural formula is given below. Molecular formula: C 17 H 20 F 6 N 2 O 3 •C 2 H 4 O 2 Molecular weight: 474.40 Flecainide acetate, USP is a white crystalline substance with a pK a of 9.3. It has an aqueous solubility of 48.4 mg/mL at 37°C. Flecainide acetate tablets, USP also contain the following inactive ingredients: croscarmellose sodium, microcrystalline cellulose and magnesium stearate. d980fd55-figure-01

FOCINVEZ (fosaprepitant injection) is a sterile, ready-to-use, clear and colorless solution formulation containing fosaprepitant dimeglumine, a prodrug of aprepitant, a substance P/neurokinin-1 (NK1) receptor antagonist, an antiemetic agent, chemically described as 1-Deoxy-1-(methylamino)-D-glucitol[3-[[(2R,3S)-2-[(1R)-1-[3,5bis(trifluoromethyl)phenyl]ethoxy]-3-(4-fluorophenyl)-4-morpholinyl]methyl]-2,5-dihydro-5-oxo-1H-1,2,4triazol-1-yl]phosphonate (2:1) (salt). Its empirical formula is C 23 H 22 F 7 N 4 O 6 P ⋅ 2(C 7 H 17 NO 5 ) and its structural formula is: Fosaprepitant dimeglumine is a white to off-white amorphous powder with a molecular weight of 1004.83. It is freely soluble in water. Each 50 mL vial of FOCINVEZ for administration as an intravenous infusion contains 150 mg of fosaprepitant (equivalent to 245.3 mg of fosaprepitant dimeglumine) and the following inactive ingredients: Betadex sulfobutyl ether sodium (8 g), edetate disodium (5.4 mg), sodium hydroxide (for pH adjustment) in water for injection. structure

Folic acid, N-[ p -[[(2-amino-4- hydroxy-6-pteridinyl) methyl]- amino] benzoyl]-Lglutamic acid, is a B complex vitamin containing a pteridine moiety linked by a methylene bridge to para -aminobenzoic acid, which is joined by a peptide linkage to glutamic acid. Conjugates of folic acid are present in a wide variety of foods, particularly liver, kidneys, yeast, and leafy green vegetables. Commercially available folic acid is prepared synthetically. Folic acid, USP occurs as a yellow or yellowish-orange crystalline powder and is very slightly soluble in water and insoluble in alcohol. Folic acid, USP is readily soluble in dilute solutions of alkali hydroxides and carbonates, and solutions of the drug may be prepared with the aid of sodium hydroxide or sodium carbonate, thereby forming the soluble sodium salt of folic acid (sodium folate). Aqueous solutions of folic acid are heat sensitive and rapidly decompose in the presence of light and/or riboflavin; solutions should be stored in a cool place protected from light. The structural formula of folic acid is as follows: C 19 H 19 N 7 O 6 M.W. 441.40 Each tablet, for oral administration, contains 1 mg folic acid, USP. Folic acid tablets, USP 1 mg contain the following inactive ingredients: lactose monohydrate, microcrystalline cellulose, sodium starch glycolate and stearic acid. 1

The chemical name of foscarnet sodium is phosphonoformic acid, trisodium salt. Foscarnet sodium, USP is a white to almost white, crystalline powder containing 6 equivalents of water of hydration with an empirical formula of Na 3 CO 5 P.6H 2 O and a molecular weight of 300.04. The structural formula is: Foscarnet sodium injection has the potential to chelate divalent metal ions, such as calcium and magnesium, to form stable coordination compounds. Foscarnet sodium injection is a sterile, isotonic aqueous, clear, colorless solution for intravenous administration only. Each milliliter of foscarnet sodium injection contains 24 mg of foscarnet sodium hexahydrate in water for injection, USP. Hydrochloric acid may have been added to adjust the pH of the solution to 7.4. Foscarnet sodium injection contains no preservatives. 1