4-Bromo-3-(4-chlorophenyl)-1H-pyrazole-5-carboxylic acid CAS 1238351-85-3

Purity 97%+In StockPharmaceutical Standards
CAS No.1238351-85-3
Molecular FormulaC10H6BrClN2O2
Molecular Weight301.52 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Bromo-3-(4-chlorophenyl)-1H-pyrazole-5-carboxylic acid CAS 1238351-85-3 chemical structure

Description

CATO supplies 4-Bromo-3-(4-chlorophenyl)-1H-pyrazole-5-carboxylic acid (CAS 1238351-85-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C10H6BrClN2O2. Molecular weight: 301.52 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC10H6BrClN2O2
Molecular Weight301.52 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility)
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; 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/Br-containing
Nitrogen Atoms2

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