Sodium 4-hydroxy-3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazole-4-sulfonate CAS 478250-25-8

Purity 97%+In StockPharmaceutical Standards
CAS No.478250-25-8
Molecular FormulaC10H9N2O5S Na
Molecular WeightN/A
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Sodium 4-hydroxy-3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazole-4-sulfonate CAS 478250-25-8 chemical structure

Description

High-purity Sodium 4-hydroxy-3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazole-4-sulfonate (CAS 478250-25-8) pharmaceutical standards reference standard. Molecular formula: C10H9N2O5S Na. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.

Physical & Chemical Properties

Molecular FormulaC10H9N2O5S Na
Molecular Weight292.24 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)7.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms2
Sulfur Atoms1

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