zhejiang poly pharm. co., ltd. - Medication Listings

Azithromycin for oral suspension USP contains the active ingredient azithromycin, a macrolide antibacterial drug, for oral administration. Azithromycin has the chemical name (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-13-[(2,6-dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-2-ethyl-3,4,10-trihydroxy-3,5,6,8,10,12,14-heptamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]-1-oxa-6-azacyclopentadecan-15-one. Azithromycin is derived from erythromycin; however, it differs chemically from erythromycin in that a methyl-substituted nitrogen atom is incorporated into the lactone ring. Its molecular formula is C 38 H 72 N 2 O 12 , and its molecular weight is 749.00. Azithromycin has the following structural formula: Azithromycin, as the dihydrate, is a white crystalline powder with a molecular formula of C 38 H 72 N 2 O 12 •2H 2 O and a molecular weight of 785.0. Azithromycin for oral suspension USP is supplied in bottles containing azithromycin dihydrate USP powder equivalent to 300 mg, 600 mg, 900mg, or 1200 mg azithromycin per bottle and the following inactive ingredients: sucrose; sodium phosphate, tribasic, anhydrous; hydroxypropyl cellulose; xanthan gum; colloidal silicon dioxide. After constitution, each 5 mL of suspension contains 100 mg or 200 mg of azithromycin USP. Meets USP Dissolution Test 2. Chemical Structure

Amiodarone Hydrochloride Injection, USP contains amiodarone hydrochloride, USP (C 25 H 29 I 2 NO 3 •HCl), a class III antiarrhythmic drug. Amiodarone hydrochloride is (2-butyl-3-benzo-furanyl)[4-[2-(diethylamino)ethoxy]-3,5-diiodophenyl]methanone hydrochloride. Amiodarone hydrochloride has the following structural formula: Amiodarone HCl is a white to slightly yellow crystalline powder, and is very slightly soluble in water. It has a molecular weight of 681.78 and contains 37.3% iodine by weight. Amiodarone Hydrochloride Injection, USP is a sterile clear, pale-yellow micellar solution visually free from particulates. Each milliliter of the Amiodarone Hydrochloride Injection, USP formulation contains 50 mg of amiodarone hydrochloride, 20.2 mg of benzyl alcohol, 100 mg of polysorbate 80, and water for injection. Amiodarone Hydrochloride Injection, USP is injection administration. Amiodarone Hydrochloride Injection, USP contains polysorbate 80, which is known to leach di-(2-ethylhexyl)phthalate (DEHP) from polyvinylchloride (PVC) [see Dosage and Administration (2) ] . Amiodarone Structural Formula

Fluconazole, the first of a new subclass of synthetic triazole antifungal agents, is available as a powder for oral suspension. Fluconazole is designated chemically as 2,4-difluoro-α,α 1 -bis(1H-1,2,4-triazol-1-ylmethyl) benzyl alcohol with a molecular formula of C 13 H 12 F 2 N 6 O and molecular weight of 306.3. The structural formula is: Fluconazole USP is a white or almost white, crystalline powder which is slightly soluble in water and saline. Fluconazole for oral suspension USP contains 1400 mg of fluconazole and the following inactive ingredients: sodium benzoate, citric acid anhydrous, sodium citrate dihydrate, xanthan gum, titanium dioxide, colloidal silicon dioxide, and sucrose. After reconstitution with 24 mL of distilled water or Purified Water (USP), each mL of reconstituted suspension contains 40 mg of fluconazole. Chemical Structure

Oseltamivir phosphate, an influenza neuraminidase inhibitor (NAI), is available as: Capsules containing 30 mg, 45 mg, or 75 mg of oseltamivir for oral use, in the form of oseltamivir phosphate. In addition to the active ingredient, each capsule contains croscarmellose sodium, povidone K30, pregelatinized starch, sodium stearyl fumarate and talc. The 30 mg capsule shell contains gelatin, titanium dioxide, FD&C Blue 1 and FD&C Red 3. The 45 mg capsule shell contains gelatin, titanium dioxide. The 75 mg capsule shell contains gelatin, titanium dioxide, FD&C Blue 1 and FD&C Red 3. Each capsule is printed with black ink, which includes shellac, propylene glycol, black iron oxide and potassium hydroxide. Oseltamivir phosphate is a white crystalline solid with the chemical name (3R,4R,5S)-4-acetylamino-5-amino-3(1-ethylpropoxy)-1-cyclohexene-1-carboxylic acid, ethyl ester, phosphate (1:1). The chemical formula is C 16 H 28 N 2 O 4 (free base). The molecular weight is 312.4 for oseltamivir free base and 410.4 for oseltamivir phosphate salt. The structural formula is as follows: Meets USP Dissolution Test 2. Chemical Structure

Voriconazole, an azole antifungal agent is available as a powder for oral suspension. 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)-2butanol with an empirical 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 light-colored powder. Voriconazole for Oral Suspension is a white to off-white powder providing a white to off-white, orange-flavored suspension when reconstituted. Bottles containing 45 grams powder for oral suspension, which contain 3 g of voriconazole, are intended for reconstitution with water to produce a suspension containing 40 mg/mL voriconazole, USP. The inactive ingredients include anhydrous citric acid, colloidal silicon dioxide, orange flavor, sodium benzoate, sodium citrate dihydrate, sucrose, titanium dioxide, and xanthan gum. chemical structure