Boc-Cys(Dpm)-OH CAS 21947-97-7

Purity 97%+In StockPharmaceutical Standards
CAS No.21947-97-7
Molecular FormulaC21H25NO4S
Molecular Weight387.49 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Boc-Cys(Dpm)-OH CAS 21947-97-7 chemical structure

Description

As a certified reference material (CRM), Boc-Cys(Dpm)-OH 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.

CATO supplies Boc-Cys(Dpm)-OH (CAS 21947-97-7), a certified reference material (molecular formula C21H25NO4S, MW 387.49 g/mol) for analytical method development and quality control.

Boc-Cys(Dpm)-OH (C21H25NO4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.

Physical & Chemical Properties

Molecular FormulaC21H25NO4S
Molecular Weight387.49 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1963
Nitrogen Atoms1
Sulfur Atoms1

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