SPL Set ID: 772d9e7a-3811-455a-99e6-f2a3d0769b9b
1 drug(s) with this SPL Set ID
The active ingredient in gabapentin oral solution 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. Gabapentin oral solution contains 250 mg of gabapentin, USP per 5 mL (50 mg per mL) and the following inactive ingredients: acesulfame potassium, carboxymethylcellulose sodium, magnasweet, peppermint flavor, potassium sorbate and strawberry anise flavor. Sodium hydroxide or hydrochloric acid may be added for adjustment of pH. 1