5-Hydroxynaphthalene-1-Sulfonic Acid CAS 117-59-9

Purity >95%In StockPharmaceutical Standards
CAS No.117-59-9
Molecular FormulaC10H8O4S
Molecular Weight224.23 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

5-Hydroxynaphthalene-1-Sulfonic Acid CAS 117-59-9 chemical structure

Description

5-Hydroxynaphthalene-1-Sulfonic Acid (CAS 117-59-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C10H8O4S. Molecular weight: 224.23 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC10H8O4S
Molecular Weight224.23 g/mol
Purity>95%
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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Sulfur Atoms1

Related Hydroxynaphthalene Standards

Recommended Standards

Why CATO?