O,O,S-Triethyl Phosphorothiolate CAS 1186-09-0

Purity >95%In StockPharmaceutical Standards
CAS No.1186-09-0
Molecular FormulaC6H15O3PS
Molecular Weight198.22 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

O,O,S-Triethyl Phosphorothiolate CAS 1186-09-0 chemical structure

Description

O,O,S-Triethyl Phosphorothiolate (C6H15O3PS) contains a sulfone group, a phosphonate group, a carboxylic acid 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.

O,O,S-Triethyl Phosphorothiolate (CAS 1186-09-0) is a high-purity analytical reference standard with the molecular formula C6H15O3PS and a molecular weight of 198.22 g/mol.

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 manufactures O,O,S-Triethyl Phosphorothiolate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC6H15O3PS
Molecular Weight198.22 g/mol
Purity>95%
StorageStore at 2-8°C, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityHygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)-0.5
CAS Registry Year (est.)1957
Sulfur Atoms1

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