5-Oxo-7-phenyl-4h,5h-pyrazolo[1,5-a]pyrimidine-2-carboxylic acid CAS 677720-18-2

Purity 97%+In StockPharmaceutical Standards
CAS No.677720-18-2
Molecular FormulaC13H9N3O3
Molecular Weight255.23 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Oxo-7-phenyl-4h,5h-pyrazolo[1,5-a]pyrimidine-2-carboxylic acid CAS 677720-18-2 chemical structure

Description

5-Oxo-7-phenyl-4h,5h-pyrazolo[1,5-a]pyrimidine-2-carboxylic acid (CAS 677720-18-2) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C13H9N3O3. Molecular weight: 255.23 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC13H9N3O3
Molecular Weight255.23 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
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
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1985
Nitrogen Atoms3

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