2-(6-Chloropyridazin-3-yl)-5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylic acid CAS 1208089-53-5

Purity 97%+In StockPharmaceutical Standards
CAS No.1208089-53-5
Molecular FormulaC8H5ClN4O3
Molecular Weight240.60 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(6-Chloropyridazin-3-yl)-5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylic acid CAS 1208089-53-5 chemical structure

Description

2-(6-Chloropyridazin-3-yl)-5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylic acid (CAS 1208089-53-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C8H5ClN4O3. Molecular weight: 240.60 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC8H5ClN4O3
Molecular Weight240.60 g/mol
AppearancePale yellow to 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 methanol, ethanol, DMSO
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)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Halogen ContentCl-containing
Nitrogen Atoms4

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