Description
Alprazolam extended-release tablets, USP 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-α] [1,4] benzodiazepine. The molecular formula is C17H13ClN4 which corresponds to a molecular weight of 308.76.
The structural formula is represented below:

Alprazolam, USP 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 lactose monohydrate, hypromellose, and magnesium stearate. In addition, the 1 mg tablets also contain D&C yellow #10 aluminum lake. The 2 mg tablets also contain FD&C Yellow #6 aluminum lake, and the 3 mg tablets also contain D&C Yellow #10 aluminum lake, and FD&C Blue #2 aluminum lake.
Product meets USP Dissolution Test 2.
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