N-[(1E)-{[(2-chloro-6-fluorophenyl)methoxy]imino}methyl]-5-cyano-3-methyl-4-phenylthiophene-2-carboxamide CAS 338968-36-8

Purity 97%+In StockPharmaceutical Standards
CAS No.338968-36-8
Molecular FormulaC21H15ClFN3O2S
Molecular Weight427.88 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-[(1E)-{[(2-chloro-6-fluorophenyl)methoxy]imino}methyl]-5-cyano-3-methyl-4-phenylthiophene-2-carboxamide CAS 338968-36-8 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 427.88 g/mol gives N-[(1E)-{[(2-chloro-6-fluorophenyl)methoxy]imino}methyl]-5-cyano-3-methyl-4-phenylthiophene-2-carboxamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies N-[(1E)-{[(2-chloro-6-fluorophenyl)methoxy]imino}methyl]-5-cyano-3-methyl-4-phenylthiophene-2-carboxamide (CAS 338968-36-8), a certified reference material (molecular formula C21H15ClFN3O2S, MW 427.88 g/mol) for analytical method development and quality control.

Based on its molecular formula C21H15ClFN3O2S, N-[(1E)-{[(2-chloro-6-fluorophenyl)methoxy]imino}methyl]-5-cyano-3-methyl-4-phenylthiophene-2-carboxamide contains a steroid core, an amide group, a sulfone 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 427.88 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.

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

Molecular FormulaC21H15ClFN3O2S
Molecular Weight427.88 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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)15.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentF/Cl-containing
Nitrogen Atoms3
Sulfur Atoms1

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