5-Sulfoisophthalic Acid CAS 22326-31-4

Purity 97%+In StockPharmaceutical Standards
CAS No.22326-31-4
Molecular FormulaC8H6O7S
Molecular Weight246.19 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Sulfoisophthalic Acid CAS 22326-31-4 chemical structure

Description

5-Sulfoisophthalic Acid (CAS 22326-31-4) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C8H6O7S. Molecular weight: 246.19 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC8H6O7S
Molecular Weight246.19 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1963
Sulfur Atoms1

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