Cysteine Impurity 8 CAS 851189-30-5

Purity 97%+In StockPharmaceutical Standards
CAS No.851189-30-5
Molecular FormulaC3H7NS
Molecular Weight89.16 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Cysteine Impurity 8 CAS 851189-30-5 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 89.16 g/mol gives Cysteine Impurity 8 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies Cysteine Impurity 8 (CAS 851189-30-5), a certified reference material (molecular formula C3H7NS, MW 89.16 g/mol) for analytical method development and quality control.

Cysteine Impurity 8 (C3H7NS) contains sulfur-containing functionality. Its physicochemical properties are representative of its class; 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.

As a certified reference material (CRM), Cysteine Impurity 8 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

Molecular FormulaC3H7NS
Molecular Weight89.16 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in methanol, acetonitrile, DMSO
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)1.0
CAS Registry Year (est.)1987
Nitrogen Atoms1
Sulfur Atoms1

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