advagen pharma ltd - Medication Listings

Topiramate, USP is a sulfamate-substituted monosaccharide. Topiramate capsules, USP are available as 15 mg, 25 mg and 50 mg capsules for oral administration as whole capsules or opened and sprinkled onto soft food. Topiramate, USP is a white to off-white powder. Topiramate, USP is the most soluble in alkaline solutions containing sodium hydroxide or sodium phosphate and having a pH of 9 to 10. It is freely soluble in dichloromethane. The solubility in water is 10.1 mg/mL. Its saturated solution has a pH of 5.32. Topiramate, USP has the molecular formula C 12 H 21 NO 8 S and a molecular weight of 339.36. Topiramate, USP 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 beads in a hard gelatin capsule. The inactive ingredients are hydroxypropyl methylcellulose, sugar spheres (sucrose and starch), purified water, ethyl cellulose, polyethylene glycol, talc, ammonium hydroxide, medium chain triglycerides, oleic acid, gelatin, titanium dioxide. The black printing ink contains black iron oxide, potassium hydroxide, propylene glycol, and shellac. FDA approved dissolution test specifications differ from USP. image description

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 empirical formula is C 24 H 29 N 5 O 3 , its molecular weight is 435.5, and its structural formula is: Valsartan is an off white to white powder. It is soluble in methanol, freely soluble in anhydrous ethanol, sparingly soluble in methylene chloride, practically insoluble in water. Valsartan oral solution is formulated at a concentration of 4 mg/mL valsartan, as a clear, colorless solution with grape flavor, free from any visible foreign and particulate matter, free of precipitation and hazy mass. The inactive ingredients are: grape flavor, methylparaben, poloxamer, potassium sorbate, propylene glycol, sodium hydroxide, purified water, trisodium citrate dihydrate, and sucralose. Each 5 mL of Valsartan oral solution contains 18.46 mg of sodium. Valsartan Oral Solution Structure

Venlafaxine hydrochloride extended-release capsules, USP is an extended-release capsule for once-a-day oral administration that contains venlafaxine hydrochloride, 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 empirical formula of C 17 H 27 NO 2 HCl. Its molecular weight is 313.86. The structural formula is shown as follows: Venlafaxine hydrochloride is a white to off-white crystalline solid, 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 equivalent to 37.5 mg, 75 mg, or 150 mg venlafaxine. Inactive ingredients consist of ethylcellulose, hypromellose and sugar spheres. Image