3-Mercapto-2-butanone CAS 40789-98-8

Purity >95%In StockPharmaceutical Standards
CAS No.40789-98-8
Molecular FormulaC4H8OS
Molecular Weight104.17 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Mercapto-2-butanone CAS 40789-98-8 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 3-Mercapto-2-butanone (CAS 40789-98-8), a certified reference material (molecular formula C4H8OS, MW 104.17 g/mol) for analytical method development and quality control.

Structurally, 3-Mercapto-2-butanone (C4H8OS) contains sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 104.17 g/mol, it falls into the low-molecular-weight range.

As a certified reference material (CRM), 3-Mercapto-2-butanone 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 FormulaC4H8OS
Molecular Weight104.17 g/mol
Purity>95%
StorageStore at 2-8°C
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityStable under recommended storage conditions
Degree of Unsaturation (DBE)1.0
CAS Registry Year (est.)1968
Sulfur Atoms1

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