(2S,3S)-2-Amino-3-mercaptobutanoic acid CAS 43083-49-4

Purity 97%+In StockPharmaceutical Standards
CAS No.43083-49-4
Molecular FormulaC4H9NO2S
Molecular Weight135.18 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(2S,3S)-2-Amino-3-mercaptobutanoic acid CAS 43083-49-4 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 135.18 g/mol gives (2S,3S)-2-Amino-3-mercaptobutanoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

(2S,3S)-2-Amino-3-mercaptobutanoic acid (CAS 43083-49-4) is a high-purity analytical reference standard with the molecular formula C4H9NO2S and a molecular weight of 135.18 g/mol.

(2S,3S)-2-Amino-3-mercaptobutanoic acid (C4H9NO2S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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 (2S,3S)-2-Amino-3-mercaptobutanoic 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.

Physical & Chemical Properties

Molecular FormulaC4H9NO2S
Molecular Weight135.18 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)1.0
CAS Registry Year (est.)1969
Nitrogen Atoms1
Sulfur Atoms1

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