1-(3-Methyl-isothiazol-4-yl)-ethanone CAS 23031-80-3

Purity 97%+In StockPharmaceutical Standards
CAS No.23031-80-3
Molecular FormulaC6H7NOS
Molecular Weight141.19 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(3-Methyl-isothiazol-4-yl)-ethanone CAS 23031-80-3 chemical structure

Description

Based on its molecular formula C6H7NOS, 1-(3-Methyl-isothiazol-4-yl)-ethanone contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 141.19 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

1-(3-Methyl-isothiazol-4-yl)-ethanone (CAS 23031-80-3), molecular formula C6H7NOS and molecular weight 141.19 g/mol, is a CATO reference standard with documented purity and traceability.

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), 1-(3-Methyl-isothiazol-4-yl)-ethanone 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 FormulaC6H7NOS
Molecular Weight141.19 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)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1963
Nitrogen Atoms1
Sulfur Atoms1

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