vgyaan pharmaceuticals llc - Medication Listings

Metformin hydrochloride extended-release tablets contain the biguanide antihyperglycemic agent metformin in the form of monohydrochloride salt. The chemical name of metformin hydrochloride is N,N-dimethylimidodicarbonimidic diamide hydrochloride. The structural formula is as shown: Metformin hydrochloride is a white to off-white crystalline compound with a molecular formula of C 4 H 11 N 5 •HCl and a molecular weight of 165.63. Metformin hydrochloride is freely soluble in water and is practically insoluble in acetone, ether, and chloroform. The pKa of metformin is 12.4. The pH of a 1% aqueous solution of metformin hydrochloride is 6.68. Metformin hydrochloride extended-release tablets contain 500 mg or 1,000 mg of metformin hydrochloride, which is equivalent to 389.93 mg or 779.86 mg metformin, respectively. Each 500 mg tablet contains hypromellose, microcrystalline cellulose, polyethylene oxide, colloidal silicon dioxide, magnesium stearate, ethylcellulose, ammonium hydroxide, medium chain triglycerides and oleic acid. The tablets are film coated with coating material containing hypromellose, FD&C Blue No.2, titanium dioxide, and triethyl citrate. Each 1,000 mg tablet contains povidone, microcrystalline cellulose, colloidal silicon dioxide, magnesium stearate, eudragit RL 30D, eudragit RS 30D, triethyl citrate, talc and hypromellose. The tablets are film coated with coating material containing hypromellose, titanium dioxide, talc and triethyl citrate. Each tablet is imprinted with black pharmaceutical ink which contains shellac, ferrosoferric oxide and propylene glycol. Metformin hydrochloride extended-release tablets USP, 500 mg and 1,000 mg: FDA approved dissolution test specifications differ from USP. chemstruc

Leuprolide acetate is a synthetic nonapeptide analog of naturally occurring gonadotropin releasing hormone (GnRH or LH-RH). The analog possesses greater potency than the natural hormone. The chemical name is 5-oxo-L-prolyl-L-histidyl-L-tryptophyl-L-seryl-L-tyrosyl-D-leucyl-L-leucyl-L- arginyl-N-ethyl-L-prolinamide acetate (salt) with the following structural formula: Leuprolide acetate injection is a sterile, aqueous solution intended for subcutaneous injection. It is available in a 2.8 mL multiple-dose vial containing leuprolide acetate (5 mg/mL), sodium chloride, USP (6.3 mg/mL) for tonicity adjustment, benzyl alcohol, NF as a preservative (9 mg/mL), and water for injection, USP. The pH may have been adjusted with sodium hydroxide, NF and/or acetic acid, NF. The pH range is 4.0 to 6.0. chemicalstructure

Nadolol is a synthetic nonselective beta-adrenergic receptor blocking agent designated chemically as 1-( tert -butylami-no)-3-[(5,6,7,8-tetrahy-dro-cis-6,7-dihydroxy-1-naphthyl)oxy]-2-propanol. Structural formula: Nadolol is a white crystalline powder. It is freely soluble in ethanol, soluble in hydrochloric acid, slightly soluble in water and in chloroform, and very slightly soluble in sodium hydroxide. Nadolol tablets, USP are available for oral administration as 20 mg, 40 mg and 80 mg tablets. Inactive ingredients: lactose monohydrate, microcrystalline cellulose, povidone, purified water, FD&C blue No.2 and magnesium stearate. chemicalstructure

Ursodiol Capsules, USP are a bile acid available as 300 mg capsules suitable for oral administration. Ursodiol, USP (ursodeoxycholic acid), is a naturally occurring bile acid found in small quantities in normal human bile and in the biles of certain other mammals. It is a white or almost white crystalline powder, slightly soluble in water, freely soluble in alcohol, slightly soluble in acetone and 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 392.57 g/mol. Its structure is shown below: Each capsule contains Ursodiol USP, 300 mg and the following Inactive Ingredients: Maize Starch B, colloidal silicon dioxide and magnesium stearate. Additionally, the hard gelatin capsule shell contains: FD&C Red 40, Titanium Dioxide, D&C Yellow 10, gelatin and water. Each capsule is imprinted with black pharmaceutical ink which contains shellac, black iron oxide and potassium hydroxide. chemicalstructure