2-(5-chloro-1-methyl-3-phenyl-1H-pyrazole-4-carboxamido)-2-phenylacetic acid CAS 1008985-67-8

Purity 97%+In StockPharmaceutical Standards
CAS No.1008985-67-8
Molecular FormulaC19H16ClN3O3
Molecular Weight369.80 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-(5-chloro-1-methyl-3-phenyl-1H-pyrazole-4-carboxamido)-2-phenylacetic acid CAS 1008985-67-8 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 369.80 g/mol gives 2-(5-chloro-1-methyl-3-phenyl-1H-pyrazole-4-carboxamido)-2-phenylacetic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

2-(5-chloro-1-methyl-3-phenyl-1H-pyrazole-4-carboxamido)-2-phenylacetic acid (CAS 1008985-67-8) is a high-purity analytical reference standard with the molecular formula C19H16ClN3O3 and a molecular weight of 369.80 g/mol.

Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 2-(5-chloro-1-methyl-3-phenyl-1H-pyrazole-4-carboxamido)-2-phenylacetic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 369.80 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.

CATO manufactures 2-(5-chloro-1-methyl-3-phenyl-1H-pyrazole-4-carboxamido)-2-phenylacetic 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 FormulaC19H16ClN3O3
Molecular Weight369.80 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
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)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1988
Halogen ContentCl-containing
Nitrogen Atoms3

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