(2R,3S)-2-Amino-3-mercaptobutanoic acid CAS 43083-55-2

Purity 97%+In StockPharmaceutical Standards
CAS No.43083-55-2
Molecular FormulaC4H9NO2S
Molecular Weight135.18 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(2R,3S)-2-Amino-3-mercaptobutanoic acid CAS 43083-55-2 chemical structure

Description

(2R,3S)-2-Amino-3-mercaptobutanoic acid (CAS 43083-55-2) is a high-purity analytical reference standard with the molecular formula C4H9NO2S and a molecular weight of 135.18 g/mol.

Based on its molecular formula C4H9NO2S, (2R,3S)-2-Amino-3-mercaptobutanoic acid contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 135.18 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), (2R,3S)-2-Amino-3-mercaptobutanoic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

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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