7-chloro-5-methyl-6H-pyrazolo[4,3-d]pyrimidine-3-carboxylic acid CAS 1935530-73-6

Purity 97%+In StockPharmaceutical Standards
CAS No.1935530-73-6
Molecular FormulaC7H5ClN4O2
Molecular Weight212.59 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

7-chloro-5-methyl-6H-pyrazolo[4,3-d]pyrimidine-3-carboxylic acid CAS 1935530-73-6 chemical structure

Description

7-chloro-5-methyl-6H-pyrazolo[4,3-d]pyrimidine-3-carboxylic acid (CAS 1935530-73-6) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C7H5ClN4O2. Molecular weight: 212.59 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC7H5ClN4O2
Molecular Weight212.59 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1996
Halogen ContentCl-containing
Nitrogen Atoms4

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