3-Carboxy-1-(4-sulfophenyl)-5-pyrazolone Sodium Salt CAS 52126-51-9

Purity >95%In StockPharmaceutical Standards
CAS No.52126-51-9
Molecular FormulaC10H7N2O6S Na
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Carboxy-1-(4-sulfophenyl)-5-pyrazolone Sodium Salt CAS 52126-51-9 chemical structure

Description

3-Carboxy-1-(4-sulfophenyl)-5-pyrazolone Sodium Salt (CAS 52126-51-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H7N2O6S Na. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC10H7N2O6S Na
Molecular Weight306.22 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)8.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1971
Nitrogen Atoms2
Sulfur Atoms1

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