SPL Set ID: 93ba3894-fd97-4432-9f2d-e7050371e91f
1 drug(s) with this SPL Set ID
Vigabatrin Tablets, USP are an oral antiepileptic drug and are available as white film-coated 500 mg tablets. The chemical name of vigabatrin, USP, 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 to off-white powder which is freely soluble in water, slightly soluble in methyl alcohol, very slightly soluble in ethyl alcohol and chloroform, and insoluble in toluene and hexane. The pH of a 1% aqueous solution is about 6.9. The n-octanol/water partition coefficient of vigabatrin, USP is about 0.011 (log P=-1.96) at physiologic pH. Vigabatrin, USP melts with decomposition in a 3-degree range within the temperature interval of 171°C to 176°C. The dissociation constants (pKa) of vigabatrin, USP are 4 and 9.7 at room temperature (25°C). Each Vigabatrin Tablet, USP contains 500 mg of vigabatrin, USP. The inactive ingredients are microcrystalline cellulose, povidone, sodium starch glycolate, hypromellose 2910 (15mPas), magnesium stearate, titanium dioxide and polyethylene glycol (MW 8000). structure