N-(Acetyl-d3)-S-benzyl-L-cysteine CAS 201404-15-1

Description

Compared with other compounds in its class, the molecular weight of 256.34 g/mol gives N-(Acetyl-d3)-S-benzyl-L-cysteine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

N-(Acetyl-d3)-S-benzyl-L-cysteine (CAS 201404-15-1) is a high-purity analytical reference standard with the molecular formula C12H12D3NO3S and a molecular weight of 256.34 g/mol.

Owing to deuterium isotope labeling, a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, N-(Acetyl-d3)-S-benzyl-L-cysteine is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 256.34 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).

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), N-(Acetyl-d3)-S-benzyl-L-cysteine 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

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