5-(4-Chlorophenyl)-1-(2,4-dichlorophenyl)-1H-pyrazole-3-carboxylic acid CAS 158941-07-2

Purity 97%+In StockPharmaceutical Standards
CAS No.158941-07-2
Molecular FormulaC16H9Cl3N2O2
Molecular Weight367.61 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-(4-Chlorophenyl)-1-(2,4-dichlorophenyl)-1H-pyrazole-3-carboxylic acid CAS 158941-07-2 chemical structure

Description

5-(4-Chlorophenyl)-1-(2,4-dichlorophenyl)-1H-pyrazole-3-carboxylic acid (CAS 158941-07-2) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C16H9Cl3N2O2. Molecular weight: 367.61 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC16H9Cl3N2O2
Molecular Weight367.61 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-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)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2002
Halogen ContentCl-containing
Nitrogen Atoms2

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