S-[2-Hydroxy-1-(4-hydroxyphenyl)ethyl]-L-glutathione CAS 1309781-40-5

Purity 97%+In StockPharmaceutical Standards
CAS No.1309781-40-5
Molecular FormulaC18H25N3O8S
Molecular Weight443.47 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

S-[2-Hydroxy-1-(4-hydroxyphenyl)ethyl]-L-glutathione CAS 1309781-40-5 chemical structure

Description

The occurrence of S-[2-Hydroxy-1-(4-hydroxyphenyl)ethyl]-L-glutathione is closely related to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

S-[2-Hydroxy-1-(4-hydroxyphenyl)ethyl]-L-glutathione (CAS 1309781-40-5), molecular formula C18H25N3O8S and molecular weight 443.47 g/mol, is a CATO reference standard with documented purity and traceability.

S-[2-Hydroxy-1-(4-hydroxyphenyl)ethyl]-L-glutathione (C18H25N3O8S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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), S-[2-Hydroxy-1-(4-hydroxyphenyl)ethyl]-L-glutathione 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 FormulaC18H25N3O8S
Molecular Weight443.47 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Nitrogen Atoms3
Sulfur Atoms1

Related S Standards

Recommended Standards

Why CATO?