[1-Methyl-5-(phenylsulfanyl)-3-(trifluoromethyl)-1H-pyrazol-4-yl]methyl N-(4-chlorophenyl)carbamate CAS 318239-63-3

Description

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.

[1-Methyl-5-(phenylsulfanyl)-3-(trifluoromethyl)-1H-pyrazol-4-yl]methyl N-(4-chlorophenyl)carbamate (CAS 318239-63-3) is a high-purity analytical reference standard with the molecular formula C19H15ClF3N3O2S and a molecular weight of 441.85 g/mol.

The molecular framework of [1-Methyl-5-(phenylsulfanyl)-3-(trifluoromethyl)-1H-pyrazol-4-yl]methyl N-(4-chlorophenyl)carbamate (C19H15ClF3N3O2S) is characterized by a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

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