DL-Cysteine-3- CAS 150146-94-4

Purity 97%+In StockPharmaceutical Standards
CAS No.150146-94-4
Molecular FormulaC3H7NO2S
Molecular Weight121.16 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

DL-Cysteine-3- CAS 150146-94-4 chemical structure

Description

DL-Cysteine-3- (CAS 150146-94-4) is a high-purity analytical reference standard with the molecular formula C3H7NO2S and a molecular weight of 121.16 g/mol.

Based on its molecular formula C3H7NO2S, DL-Cysteine-3- 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 121.16 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.

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 DL-Cysteine-3- 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 FormulaC3H7NO2S
Molecular Weight121.16 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.)1999
Nitrogen Atoms1
Sulfur Atoms1

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