N-Acetyl-S-(1,2-dichloroethenyl)-L-cysteine CAS 2148-31-4

Description

The occurrence of N-Acetyl-S-(1,2-dichloroethenyl)-L-cysteine is closely related to an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

N-Acetyl-S-(1,2-dichloroethenyl)-L-cysteine (CAS 2148-31-4), molecular formula C7H9Cl2NO3S and molecular weight 258.12 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C7H9Cl2NO3S, N-Acetyl-S-(1,2-dichloroethenyl)-L-cysteine contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 258.12 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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Why CATO?

• ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
• 130,000+ catalog items in stock, COA supplied with every batch
• Worldwide shipping with full export documentation (HS code guidance available)
• Technical support: +86 18665070610 / Nicole.chen@cato-chem.com