SPL Set ID: e847bcfa-f3de-404a-8a57-d8a414691e6a
1 drug(s) with this SPL Set ID
The active ingredient in gabapentin tablets, 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 powder with a pK a1 of 3.7 and a pK a2 of 10.7. It is freely soluble in water and in alkaline and acidic solutions. The log of the partition coefficient (n-octanol/0.05M phosphate buffer) at pH 7.4 is –1.25. Each gabapentin tablet, USP contains 600 mg or 800 mg of gabapentin, USP and the following inactive ingredients: copovidone, crospovidone, hydroxypropyl cellulose, magnesium stearate, maize starch, microcrystalline cellulose and talc. FDA approved dissolution test specifications differ from USP. structure