3-((3,4-Dichlorobenzyl)thio)-N-(3,4-dichlorophenyl)thiophene-2-carboxamide CAS 251096-88-5

Purity 97%+In StockPharmaceutical Standards
CAS No.251096-88-5
Molecular FormulaC18H11Cl4NOS2
Molecular Weight463.23 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-((3,4-Dichlorobenzyl)thio)-N-(3,4-dichlorophenyl)thiophene-2-carboxamide CAS 251096-88-5 chemical structure

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.

CATO supplies 3-((3,4-Dichlorobenzyl)thio)-N-(3,4-dichlorophenyl)thiophene-2-carboxamide (CAS 251096-88-5), a certified reference material (molecular formula C18H11Cl4NOS2, MW 463.23 g/mol) for analytical method development and quality control.

Structurally, 3-((3,4-Dichlorobenzyl)thio)-N-(3,4-dichlorophenyl)thiophene-2-carboxamide (C18H11Cl4NOS2) contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 463.23 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

CATO manufactures 3-((3,4-Dichlorobenzyl)thio)-N-(3,4-dichlorophenyl)thiophene-2-carboxamide 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 FormulaC18H11Cl4NOS2
Molecular Weight463.23 g/mol
Purity97%+
StorageStore at room temperature, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms1
Sulfur Atoms2

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