Methoxypolyethylene glycol thiol CAS 134874-49-0

Purity 97%+In StockPharmaceutical Standards
CAS No.134874-49-0
Molecular FormulaC5H12O2S
Molecular Weight136.21 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Methoxypolyethylene glycol thiol CAS 134874-49-0 chemical structure

Description

The occurrence of Methoxypolyethylene glycol thiol is closely related to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

Methoxypolyethylene glycol thiol (CAS 134874-49-0), molecular formula C5H12O2S and molecular weight 136.21 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, Methoxypolyethylene glycol thiol is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 136.21 g/mol — guide the selection of appropriate sample preparation and analytical techniques.

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), Methoxypolyethylene glycol thiol 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 FormulaC5H12O2S
Molecular Weight136.21 g/mol
Purity97%+
StorageStore at 2-8°C
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityStable under recommended storage conditions
Degree of Unsaturation (DBE)0.0
CAS Registry Year (est.)1995
Sulfur Atoms1

Recommended Standards

Why CATO?