5-chloro-1-methyl-1H,6H,7H-pyrazolo[4,3-d]pyrimidin-7-one CAS 1211533-31-1

Purity 97%+In StockPharmaceutical Standards
CAS No.1211533-31-1
Molecular FormulaC6H11ClN4O
Molecular Weight190.63 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-chloro-1-methyl-1H,6H,7H-pyrazolo[4,3-d]pyrimidin-7-one CAS 1211533-31-1 chemical structure

Description

5-chloro-1-methyl-1H,6H,7H-pyrazolo[4,3-d]pyrimidin-7-one (CAS 1211533-31-1) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C6H11ClN4O. Molecular weight: 190.63 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC6H11ClN4O
Molecular Weight190.63 g/mol
AppearanceWhite to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1990
Halogen ContentCl-containing
Nitrogen Atoms4

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