3-Mercaptoacrylic acid CAS 21666-13-7

Purity 97%+In StockPharmaceutical Standards
CAS No.21666-13-7
Molecular FormulaC3H4O2S
Molecular Weight104.13 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Mercaptoacrylic acid CAS 21666-13-7 chemical structure

Description

CATO manufactures 3-Mercaptoacrylic acid 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.

3-Mercaptoacrylic acid (CAS 21666-13-7), molecular formula C3H4O2S and molecular weight 104.13 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 3-Mercaptoacrylic acid (C3H4O2S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 104.13 g/mol, it falls into the low-molecular-weight range.

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.

Physical & Chemical Properties

Molecular FormulaC3H4O2S
Molecular Weight104.13 g/mol
Purity97%+
StorageStore at 2-8°C
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityStable under recommended storage conditions
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)1963
Sulfur Atoms1

Related Mercaptoacrylic Standards

Recommended Standards

Why CATO?