SPL Set ID: 7f297ac6-a580-4539-a770-fe5d15c2b922
1 drug(s) with this SPL Set ID
Methocarbamol tablets, USP, a carbamate derivative of guaifenesin, is a central nervous system (CNS) depressant with sedative and musculoskeletal relaxant properties. The chemical name of methocarbamol is 3-(2-methoxyphenoxy)-1,2-propanediol 1-carbamate and has the empirical formula C 11 H 15 NO 5 . Its molecular weight is 241.24. The structural formula is shown below. Methocarbamol is a white bulky powder, sparingly soluble in water and chloroform, soluble in alcohol only with heating and insoluble in benzene and n -hexane. Methocarbamol tablets USP, 500 mg are available as white in color, round, beveled edge, biconvex film-coated tablet containing 500 mg of methocarbamol USP for oral administration. Methocarbamol tablets USP, 750 mg are available as white in color, biconvex capsule shaped film-coated tablet containing 750 mg of methocarbamol USP for oral administration. Methocarbamol tablets USP, 500 mg and 750 mg contain the following inactive ingredients: corn starch, hypromellose, magnesium stearate, polyethylene glycol, povidone, sodium lauryl sulfate, sodium starch glycolate, talc and titanium dioxide. FDA approved dissolution test specifications differ from USP for 500 mg. Chemical Structure