4-Phenylisothiazolidine 1,1-dioxide CAS 320393-23-5

Purity 97%+In StockPharmaceutical Standards
CAS No.320393-23-5
Molecular FormulaC9H11NO2S
Molecular Weight197.25 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-Phenylisothiazolidine 1,1-dioxide CAS 320393-23-5 chemical structure

Description

4-Phenylisothiazolidine 1,1-dioxide (CAS 320393-23-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H11NO2S. Molecular weight: 197.25 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC9H11NO2S
Molecular Weight197.25 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms1
Sulfur Atoms1

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