XANAX (Alprazolam) Online Description

Chemical formula: C₁₇H₁₃ClN₄

Systematic (IUPAC) name: 8-Chloro-1-methyl-6-phenyl-4H-s-triazolo [4,3-I] [1,4] benzodiazepine

Other names included commercial trade names:

XANAX tablets contain alprazolam which is a triazolo analog of the 1,4 benzodiazepine class of central nervous system-active compounds. 

XANAX (Alprazolam) is a white crystalline powder, which is soluble in methanol or ethanol, but which has no appreciable solubility in water at physiological pH. 
Each XANAX Tablet, for oral administration, contains 0.25, 0.5, 1 or 2 mg of alprazolam. 
XANAX Tablets, 2 mg, are multi-scored and may be divided on 4 parts of 0.5 mg or 2 parts if 1 mg.
Inactive ingredients: Cellulose, corn starch, docusate sodium, lactose, magnesium stearate, silicon dioxide and sodium benzoate. In addition, the 0.5 mg tablet contains FD&C Yellow No. 6 and the 1 mg tablet contains FD&C Blue No. 2