1-(4-Nitrophenyl)-3,5-diphenyl-4,5-dihydro-1H-pyrazole CAS 10252-45-6

Purity 97%+In StockPharmaceutical Standards
CAS No.10252-45-6
Molecular FormulaC21H17N3O2
Molecular Weight343.38 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-(4-Nitrophenyl)-3,5-diphenyl-4,5-dihydro-1H-pyrazole CAS 10252-45-6 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 343.38 g/mol gives 1-(4-Nitrophenyl)-3,5-diphenyl-4,5-dihydro-1H-pyrazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

CATO supplies 1-(4-Nitrophenyl)-3,5-diphenyl-4,5-dihydro-1H-pyrazole (CAS 10252-45-6), a certified reference material (molecular formula C21H17N3O2, MW 343.38 g/mol) for analytical method development and quality control.

Based on its molecular formula C21H17N3O2, 1-(4-Nitrophenyl)-3,5-diphenyl-4,5-dihydro-1H-pyrazole contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 343.38 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

CATO manufactures 1-(4-Nitrophenyl)-3,5-diphenyl-4,5-dihydro-1H-pyrazole under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC21H17N3O2
Molecular Weight343.38 g/mol
AppearancePale yellow to yellow crystalline powder
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
Degree of Unsaturation (DBE)15.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1959
Nitrogen Atoms3

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