2-Phenylisothiazol-3(2H)-one CAS 21277-98-5

Purity 97%+In StockPharmaceutical Standards
CAS No.21277-98-5
Molecular FormulaC9H7NOS
Molecular Weight177.22 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Phenylisothiazol-3(2H)-one CAS 21277-98-5 chemical structure

Description

CATO supplies 2-Phenylisothiazol-3(2H)-one (CAS 21277-98-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C9H7NOS. Molecular weight: 177.22 g/mol. Batch-specific COA and technical support are available on request.

Physical & Chemical Properties

Molecular FormulaC9H7NOS
Molecular Weight177.22 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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1963
Nitrogen Atoms1
Sulfur Atoms1

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