3-Hydroxyisothiazole 1,1-dioxide CAS 26479-40-3

Purity 97%+In StockPharmaceutical Standards
CAS No.26479-40-3
Molecular FormulaC3H3NO3S
Molecular Weight133.13 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Hydroxyisothiazole 1,1-dioxide CAS 26479-40-3 chemical structure

Description

3-Hydroxyisothiazole 1,1-dioxide (CAS 26479-40-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C3H3NO3S. Molecular weight: 133.13 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC3H3NO3S
Molecular Weight133.13 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)3.0
UV AbsorptionUV-absorbing
CAS Registry Year (est.)1964
Nitrogen Atoms1
Sulfur Atoms1

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