(4Z)-3-tert-Butyl-1-(4-nitrophenyl)-4-[(3-phenoxyphenyl)methylidene]-4,5-dihydro-1H-pyrazol-5-one CAS 1024763-78-7

Purity 97%+In StockPharmaceutical Standards
CAS No.1024763-78-7
Molecular FormulaC26H23N3O4
Molecular Weight441.48 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(4Z)-3-tert-Butyl-1-(4-nitrophenyl)-4-[(3-phenoxyphenyl)methylidene]-4,5-dihydro-1H-pyrazol-5-one CAS 1024763-78-7 chemical structure

Description

(4Z)-3-tert-Butyl-1-(4-nitrophenyl)-4-[(3-phenoxyphenyl)methylidene]-4,5-dihydro-1H-pyrazol-5-one (CAS 1024763-78-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C26H23N3O4. Molecular weight: 441.48 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC26H23N3O4
Molecular Weight441.48 g/mol
AppearancePale yellow to yellow crystalline powder
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)17.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1988
Nitrogen Atoms3

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