2-Methyl-4-[(4-nitroanilino)methylene]-5-(trifluoromethyl)-2,4-dihydro-3H-pyrazol-3-one CAS 320425-08-9

Purity 97%+In StockPharmaceutical Standards
CAS No.320425-08-9
Molecular FormulaC12H9F3N4O3
Molecular Weight314.22 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2-Methyl-4-[(4-nitroanilino)methylene]-5-(trifluoromethyl)-2,4-dihydro-3H-pyrazol-3-one CAS 320425-08-9 chemical structure

Description

2-Methyl-4-[(4-nitroanilino)methylene]-5-(trifluoromethyl)-2,4-dihydro-3H-pyrazol-3-one (CAS 320425-08-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C12H9F3N4O3. Molecular weight: 314.22 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC12H9F3N4O3
Molecular Weight314.22 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at 2-8°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; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentF-containing
Nitrogen Atoms4

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