3-Methyl-1-(4-phenyl-2-thiazolyl)-1H-Pyrazole-4,5-dione 4-[2-(2-Ethoxyphenyl)hydrazone] CAS 331244-89-4

Purity 97%+In StockPharmaceutical Standards
CAS No.331244-89-4
Molecular FormulaC21H19N5O2S
Molecular Weight405.47 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Methyl-1-(4-phenyl-2-thiazolyl)-1H-Pyrazole-4,5-dione 4-[2-(2-Ethoxyphenyl)hydrazone] CAS 331244-89-4 chemical structure

Description

High-purity 3-Methyl-1-(4-phenyl-2-thiazolyl)-1H-Pyrazole-4,5-dione 4-[2-(2-Ethoxyphenyl)hydrazone] (CAS 331244-89-4) pharmaceutical standards reference standard. Molecular formula: C21H19N5O2S. Molecular weight: 405.47 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.

Physical & Chemical Properties

Molecular FormulaC21H19N5O2S
Molecular Weight405.47 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)15.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms5
Sulfur Atoms1

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