[5-(4-Fluorophenoxy)-1-methyl-3-phenyl-1H-pyrazol-4-yl]methyl 2-chloro-6-fluorobenzoate CAS 956795-39-4

Purity 97%+In StockPharmaceutical Standards
CAS No.956795-39-4
Molecular FormulaC24H17ClF2N2O3
Molecular Weight454.85 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

[5-(4-Fluorophenoxy)-1-methyl-3-phenyl-1H-pyrazol-4-yl]methyl 2-chloro-6-fluorobenzoate CAS 956795-39-4 chemical structure

Description

The occurrence of [5-(4-Fluorophenoxy)-1-methyl-3-phenyl-1H-pyrazol-4-yl]methyl 2-chloro-6-fluorobenzoate is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

[5-(4-Fluorophenoxy)-1-methyl-3-phenyl-1H-pyrazol-4-yl]methyl 2-chloro-6-fluorobenzoate (CAS 956795-39-4), molecular formula C24H17ClF2N2O3 and molecular weight 454.85 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C24H17ClF2N2O3, [5-(4-Fluorophenoxy)-1-methyl-3-phenyl-1H-pyrazol-4-yl]methyl 2-chloro-6-fluorobenzoate contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 454.85 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

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 [5-(4-Fluorophenoxy)-1-methyl-3-phenyl-1H-pyrazol-4-yl]methyl 2-chloro-6-fluorobenzoate 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 FormulaC24H17ClF2N2O3
Molecular Weight454.85 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)16.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1987
Halogen ContentF/Cl-containing
Nitrogen Atoms2

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