pregabalin - Medication Listings

Pregabalin is described chemically as ( S )-3-(aminomethyl)-5-methylhexanoic acid. The molecular formula is C 8 H 17 NO 2 and the molecular weight is 159.23. The chemical structure of pregabalin is: Pregabalin is a white to off-white, crystalline solid with a pK a1 of 4.2 and a pK a2 of 10.6. 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 – 1.35. Pregabalin capsules are administered orally and are supplied as imprinted hard-shell capsules containing 25 mg, 50 mg, 75 mg, 100 mg, 150 mg, 200 mg, 225 mg, and 300 mg of pregabalin, along with pregelatinized starch and talc. The capsule shells contain gelatin and titanium dioxide. In addition, the orange capsule shells contain red iron oxide and white capsule shells contain sodium lauryl sulfate. Each capsule shell is imprinted with black pharmaceutical ink which contains: butyl alcohol, dehydrated alcohol, ferrosoferric oxide, isopropyl alcohol, propylene glycol, potassium hydroxide, purified water, strong ammonia solution and shellac. df

Pregabalin, USP is described chemically as (S) -3-(aminomethyl)-5-methylhexanoic acid. The molecular formula is C 8 H 17 NO 2 and the molecular weight is 159.23. The chemical structure of pregabalin is: Pregabalin, USP is a white to off-white powder, with a pK a1 of 4.2 and a pK a2 of 10.6. It is freely soluble in 3M hydrochloric acid, sparingly soluble in water and slightly soluble in methanol. The log of the partition coefficient (n-octanol/water) at pH 7.4 is -1.35. Pregabalin capsules are administered orally and are supplied as imprinted hard gelatin capsules containing 25, 50, 75, 100, 150, 200, 225, and 300 mg of pregabalin, along with mannitol (Pearlitol 160C) and talc as inactive ingredients. The capsule shell for 75 mg, 100 mg, 200 mg, 225 mg and 300 mg contains gelatin, red iron oxide and titanium dioxide. The capsule shell for 25 mg, 50 mg and 150 mg contains gelatin and titanium dioxide. The imprinting ink contains black iron oxide, butyl alcohol, dehydrated alcohol, isopropyl alcohol, potassium hydroxide, propylene glycol, shellac, and strong ammonia solution. str

Pregabalin is described chemically as ( S )-3-(aminomethyl)-5-methylhexanoic acid. The molecular formula is C 8 H 17 NO 2 and the molecular weight is 159.23. The chemical structure of pregabalin is: Pregabalin is a white to off-white, crystalline powder with a pK a1 of 4.2 and a pK a2 of 10.6. It is sparingly soluble in water. The log of the partition coefficient (n-octanol/0.05M phosphate buffer) at pH 7.4 is -1.35. Pregabalin Capsules are administered orally and are supplied as imprinted hard-shell capsules containing 25 mg, 50 mg, 75 mg, 100 mg, 150 mg, 200 mg, 225 mg, and 300 mg of pregabalin, along with pregelatinized starch and talc as inactive ingredients. The capsule shells contain gelatin, titanium dioxide and sodium lauryl sulfate. In addition, the orange capsule shells (75 mg, 100 mg, 200 mg, 225 mg and 300 mg strengths) contain the colorants FD&C Blue 1, FD&C Red 40 and FD&C Yellow 6. The imprinting ink contains shellac, black iron oxide, propylene glycol, and potassium hydroxide. Chemical Structure