N-Methyl-3-oxobutanethioamide CAS 74697-92-0

Purity 97%+In StockPharmaceutical Standards
CAS No.74697-92-0
Molecular FormulaC5H9NOS
Molecular Weight131.20 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-Methyl-3-oxobutanethioamide CAS 74697-92-0 chemical structure

Description

N-Methyl-3-oxobutanethioamide (CAS 74697-92-0) is a high-purity analytical reference standard with the molecular formula C5H9NOS and a molecular weight of 131.20 g/mol.

N-Methyl-3-oxobutanethioamide (C5H9NOS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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), N-Methyl-3-oxobutanethioamide 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 FormulaC5H9NOS
Molecular Weight131.20 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)1978
Nitrogen Atoms1
Sulfur Atoms1

Recommended Standards

Why CATO?