N-(4-amino-2-chlorophenyl)thiophene-2-carboxamide CAS 305357-99-7

Purity 97%+In StockPharmaceutical Standards
CAS No.305357-99-7
Molecular FormulaC11H9ClN2OS
Molecular Weight252.72 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-(4-amino-2-chlorophenyl)thiophene-2-carboxamide CAS 305357-99-7 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 252.72 g/mol gives N-(4-amino-2-chlorophenyl)thiophene-2-carboxamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

N-(4-amino-2-chlorophenyl)thiophene-2-carboxamide (CAS 305357-99-7), molecular formula C11H9ClN2OS and molecular weight 252.72 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C11H9ClN2OS, N-(4-amino-2-chlorophenyl)thiophene-2-carboxamide contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 252.72 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).

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 N-(4-amino-2-chlorophenyl)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 FormulaC11H9ClN2OS
Molecular Weight252.72 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms2
Sulfur Atoms1

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