N-Acetyl-S-(carbamoylethyl)-L-cysteine CAS 81690-92-8

Purity >95%In StockPharmaceutical Standards
CAS No.81690-92-8
Molecular FormulaC8H14N2O4S
Molecular Weight234.27 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-Acetyl-S-(carbamoylethyl)-L-cysteine CAS 81690-92-8 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including N-Acetyl-S-(carbamoylethyl)-L-cysteine.

N-Acetyl-S-(carbamoylethyl)-L-cysteine (CAS 81690-92-8) is a high-purity analytical reference standard with the molecular formula C8H14N2O4S and a molecular weight of 234.27 g/mol.

N-Acetyl-S-(carbamoylethyl)-L-cysteine (C8H14N2O4S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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 N-Acetyl-S-(carbamoylethyl)-L-cysteine 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 FormulaC8H14N2O4S
Molecular Weight234.27 g/mol
Purity>95%
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1980
Nitrogen Atoms2
Sulfur Atoms1

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