Fmoc-S-carboxymethyl-L-cysteine CAS 1354485-07-6

Description

Compared with other compounds in its class, the molecular weight of 401.43 g/mol gives Fmoc-S-carboxymethyl-L-cysteine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies Fmoc-S-carboxymethyl-L-cysteine (CAS 1354485-07-6), a certified reference material (molecular formula C20H19NO6S, MW 401.43 g/mol) for analytical method development and quality control.

Based on its molecular formula C20H19NO6S, Fmoc-S-carboxymethyl-L-cysteine contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 401.43 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 Fmoc-S-carboxymethyl-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

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