SPL Set ID: b26fd0c6-6aab-4957-8a32-cc7adb9b5fc9
1 drug(s) with this SPL Set ID
The active ingredient in gabapentin capsules USP is gabapentin USP, which has the chemical name 1-(aminomethyl)cyclohexaneacetic acid. The molecular formula of gabapentin is C 9 H 17 NO 2 and the molecular weight is 171.24. The structural formula of gabapentin is: Gabapentin, USP is a white to off-white crystalline solid with a pKa 1 of 3.7 and a pKa 2 of 10.7. It is freely soluble in water and both basic and acidic aqueous solutions. The log of the partition coefficient (n-octanol/0.05M phosphate buffer) at pH 7.4 is –1.25. Each gabapentin capsule contains 100 mg, 300 mg, or 400 mg of gabapentin and the following inactive ingredients: Pregelatinized maize starch, talc, magnesium stearate, gelatin, titanium dioxide, yellow iron oxide (300 mg and 400 mg only), red iron oxide (400 mg only). Ingredient of imprinting ink (TekPrint TM SB-6018 Blue Ink) are Shellac NF, Dehydrated Alcohol USP, Isopropyl Alcohol USP, Butyl Alcohol NF, Propylene Glycol USP, Strong Ammonia Solution NF, FD & C Blue # 2 Aluminum Lake. FDA approved dissolution test specifications differ from the USP. Image