<SC>L</SC>-homocysteine CAS 14857-77-3

Purity 97%+In StockPharmaceutical Standards
CAS No.14857-77-3
Molecular FormulaC4H9NO5S
Molecular Weight183.18 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

<SC>L</SC>-homocysteine CAS 14857-77-3 chemical structure

Description

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 supplies <SC>L</SC>-homocysteine (CAS 14857-77-3), a certified reference material (molecular formula C4H9NO5S, MW 183.18 g/mol) for analytical method development and quality control.

Based on its molecular formula C4H9NO5S, <SC>L</SC>-homocysteine contains a carbohydrate-derived structure, an amide group, a sulfone group; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 183.18 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.

As a certified reference material (CRM), <SC>L</SC>-homocysteine 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 FormulaC4H9NO5S
Molecular Weight183.18 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityLight-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)1.0
CAS Registry Year (est.)1961
Nitrogen Atoms1
Sulfur Atoms1

Recommended Standards

Why CATO?