SPL Set ID: c7f21eaa-68ee-420c-9c98-e997cc73a297
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, USP is C 9 H 17 NO 2 and the molecular weight is 171.24. The structural formula of gabapentin, USP is: Gabapentin, USP is a white to off-white crystalline solid with a pK a1 of 3.7 and a pK a2 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, USP and the following inactive ingredients: ammonium hydroxide, black iron oxide, corn starch, gelatin, mannitol, propylene glycol, red iron oxide, shellac, talc, titanium dioxide, yellow iron oxide and may contain potassium hydroxide and sodium lauryl sulfate. In addition, the 100 mg strength contains simethicone. 1