Alprazolam impurity 21 CAS 37945-06-5

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.37945-06-5
Molecular FormulaC16H11Cl2N3O
Molecular Weight332.18 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Alprazolam impurity 21 CAS 37945-06-5 chemical structure

Description

CATO supplies Alprazolam impurity 21 (CAS 37945-06-5), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C16H11Cl2N3O. Molecular weight: 332.18 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC16H11Cl2N3O
Molecular Weight332.18 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1967
Halogen ContentCl-containing
Nitrogen Atoms3

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