4-Oxo-1H,4H,5H-pyrazolo[3,4-d]pyrimidine-3-carboxylic acid CAS 864872-01-5

Purity 97%+In StockPharmaceutical Standards
CAS No.864872-01-5
Molecular FormulaC6H4N4O3
Molecular Weight180.12 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Oxo-1H,4H,5H-pyrazolo[3,4-d]pyrimidine-3-carboxylic acid CAS 864872-01-5 chemical structure

Description

The occurrence of 4-Oxo-1H,4H,5H-pyrazolo[3,4-d]pyrimidine-3-carboxylic acid is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies 4-Oxo-1H,4H,5H-pyrazolo[3,4-d]pyrimidine-3-carboxylic acid (CAS 864872-01-5), a certified reference material (molecular formula C6H4N4O3, MW 180.12 g/mol) for analytical method development and quality control.

Based on its molecular formula C6H4N4O3, 4-Oxo-1H,4H,5H-pyrazolo[3,4-d]pyrimidine-3-carboxylic acid contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 180.12 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), 4-Oxo-1H,4H,5H-pyrazolo[3,4-d]pyrimidine-3-carboxylic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC6H4N4O3
Molecular Weight180.12 g/mol
AppearanceOff-white to pale yellow crystalline powder. (faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Nitrogen Atoms4

Recommended Standards

Why CATO?