Alprazolam Extended-Release Tablets contain alprazolam which is a triazolo analog of the 1,4 benzodiazepine class of central nervous system-active compounds.
The chemical name of alprazolam is 8-chloro-1-methyl-6-phenyl-4H-s-triazolo [4,3-Î±] [1,4] benzodiazepine. The molecular formula is C17H13ClN4 which corresponds to a molecular weight of 308.76.
The structural formula is:
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 alprazolam extended-release tablet, for oral administration, contains 0.5 mg, 1 mg, 2 mg, or 3 mg of alprazolam. The inactive ingredients are colloidal silicon dioxide, hypromellose, lactose monohydrate, magnesium stearate and povidone. In addition, the 1 mg and 3 mg tablets contain D&C Yellow No. 10 Aluminum Lake and the 2 mg and 3 mg tablets contain FD&C Blue No. 1 Aluminum Lake.