1-Ethyl-3-methyl-4-nitro-1H-pyrazole-5-carboxylic acid CAS 4490-75-9

Purity 97%+In StockPharmaceutical Standards
CAS No.4490-75-9
Molecular FormulaC10H9NO2S
Molecular Weight207.25 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-Ethyl-3-methyl-4-nitro-1H-pyrazole-5-carboxylic acid CAS 4490-75-9 chemical structure

Description

High-purity 1-Ethyl-3-methyl-4-nitro-1H-pyrazole-5-carboxylic acid (CAS 4490-75-9) pharmaceutical standards reference standard. Molecular formula: C10H9NO2S. Molecular weight: 207.25 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.

Physical & Chemical Properties

Molecular FormulaC10H9NO2S
Molecular Weight207.25 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1958
Nitrogen Atoms1
Sulfur Atoms1

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