3H-1,2-Dithiole-4-carboxylic acid, 5-amino-3-thioxo-, ethyl ester CAS 3354-38-9

Purity 97%+In StockPharmaceutical Standards
CAS No.3354-38-9
Molecular FormulaC6H7NO2S3
Molecular Weight221.32 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3H-1,2-Dithiole-4-carboxylic acid, 5-amino-3-thioxo-, ethyl ester CAS 3354-38-9 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 221.32 g/mol gives 3H-1,2-Dithiole-4-carboxylic acid, 5-amino-3-thioxo-, ethyl ester distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

3H-1,2-Dithiole-4-carboxylic acid, 5-amino-3-thioxo-, ethyl ester (CAS 3354-38-9), molecular formula C6H7NO2S3 and molecular weight 221.32 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C6H7NO2S3, 3H-1,2-Dithiole-4-carboxylic acid, 5-amino-3-thioxo-, ethyl 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 221.32 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 3H-1,2-Dithiole-4-carboxylic acid, 5-amino-3-thioxo-, ethyl 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 FormulaC6H7NO2S3
Molecular Weight221.32 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.)1957
Nitrogen Atoms1
Sulfur Atoms3

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