4-Aminothiophene-2-carboxylic acid methyl ester CAS 89499-43-4

Purity 97%+In StockPharmaceutical Standards
CAS No.89499-43-4
Molecular FormulaC6H7NO2S
Molecular Weight157.19 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Aminothiophene-2-carboxylic acid methyl ester CAS 89499-43-4 chemical structure

Description

The occurrence of 4-Aminothiophene-2-carboxylic acid methyl ester is closely related to an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

4-Aminothiophene-2-carboxylic acid methyl ester (CAS 89499-43-4) is a high-purity analytical reference standard with the molecular formula C6H7NO2S and a molecular weight of 157.19 g/mol.

Based on its molecular formula C6H7NO2S, 4-Aminothiophene-2-carboxylic acid methyl ester contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 157.19 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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 4-Aminothiophene-2-carboxylic acid methyl ester 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 FormulaC6H7NO2S
Molecular Weight157.19 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1982
Nitrogen Atoms1
Sulfur Atoms1

Related Aminothiophene Standards

Recommended Standards

Why CATO?