1-(2,5-Dichlorophenyl)-5-phenyl-4,5-dihydro-1h-pyrazole-3-carboxylic acid CAS 1264045-63-7

Purity 97%+In StockPharmaceutical Standards
CAS No.1264045-63-7
Molecular FormulaC16H12Cl2N2O2
Molecular Weight335.18 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(2,5-Dichlorophenyl)-5-phenyl-4,5-dihydro-1h-pyrazole-3-carboxylic acid CAS 1264045-63-7 chemical structure

Description

Based on its molecular formula C16H12Cl2N2O2, 1-(2,5-Dichlorophenyl)-5-phenyl-4,5-dihydro-1h-pyrazole-3-carboxylic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 335.18 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

1-(2,5-Dichlorophenyl)-5-phenyl-4,5-dihydro-1h-pyrazole-3-carboxylic acid (CAS 1264045-63-7), molecular formula C16H12Cl2N2O2 and molecular weight 335.18 g/mol, is a CATO reference standard with documented purity and traceability.

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

CATO manufactures 1-(2,5-Dichlorophenyl)-5-phenyl-4,5-dihydro-1h-pyrazole-3-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC16H12Cl2N2O2
Molecular Weight335.18 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)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Halogen ContentCl-containing
Nitrogen Atoms2

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