2-{2-[3-Methyl-5-oxo-1-(4-phenyl-1,3-thiazol-2-yl)-1,5-dihydro-4H-pyrazol-4-ylidene]hydrazino}benzoic acid CAS 314292-25-6

Purity 97%+In StockPharmaceutical Standards
CAS No.314292-25-6
Molecular FormulaC20H15N5O3S
Molecular Weight405.43 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-{2-[3-Methyl-5-oxo-1-(4-phenyl-1,3-thiazol-2-yl)-1,5-dihydro-4H-pyrazol-4-ylidene]hydrazino}benzoic acid CAS 314292-25-6 chemical structure

Description

CATO manufactures 2-{2-[3-Methyl-5-oxo-1-(4-phenyl-1,3-thiazol-2-yl)-1,5-dihydro-4H-pyrazol-4-ylidene]hydrazino}benzoic 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.

2-{2-[3-Methyl-5-oxo-1-(4-phenyl-1,3-thiazol-2-yl)-1,5-dihydro-4H-pyrazol-4-ylidene]hydrazino}benzoic acid (CAS 314292-25-6), molecular formula C20H15N5O3S and molecular weight 405.43 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C20H15N5O3S, 2-{2-[3-Methyl-5-oxo-1-(4-phenyl-1,3-thiazol-2-yl)-1,5-dihydro-4H-pyrazol-4-ylidene]hydrazino}benzoic acid contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 405.43 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.

Physical & Chemical Properties

Molecular FormulaC20H15N5O3S
Molecular Weight405.43 g/mol
Purity97%+
StorageStore in a cool place (≤25°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
Degree of Unsaturation (DBE)16.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms5
Sulfur Atoms1

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