(Z)-4-(4-(dimethylamino)benzylidene)-2,5-diphenyl-2,4-dihydro-3H-pyrazol-3-one CAS 39143-18-5
| CAS No. | 39143-18-5 |
| Molecular Formula | C24H21N3O |
| Molecular Weight | 367.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (Z)-4-(4-(dimethylamino)benzylidene)-2,5-diphenyl-2,4-dihydro-3H-pyrazol-3-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
(Z)-4-(4-(dimethylamino)benzylidene)-2,5-diphenyl-2,4-dihydro-3H-pyrazol-3-one (CAS 39143-18-5) is a high-purity analytical reference standard with the molecular formula C24H21N3O and a molecular weight of 367.44 g/mol.
Based on its molecular formula C24H21N3O, (Z)-4-(4-(dimethylamino)benzylidene)-2,5-diphenyl-2,4-dihydro-3H-pyrazol-3-one 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 367.44 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C24H21N3O |
| Molecular Weight | 367.44 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Nitrogen Atoms | 3 |
Related Z Standards
- {3-[(Dimethylamino)sulfonyl]-6-oxo-6,6a,7,8,9,10-hexahydro-5H-pyrido[1,2-a]quinoxalin-5-yl}acetic acid (CAS 1101836-50-3)
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Recommended Standards
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- (S)-2-Benzyl 3-tert-butyl 3,4-dihydroisoquinoline-2,3(1H)-dicarboxylate (CAS 79276-05-4)
- 2-((((9h-Fluoren-9-yl)methoxy)carbonyl)amino)-2,4-dimethylpentanoic acid (CAS 678992-19-3)
- Bicyclo[2.2.2]octane (CAS 280-33-1)
- [1-(Oxan-2-yl)-1H-indazol-5-yl]boronic acid (CAS 1562245-02-6)
- 1,3-Dichloro-6,7-dihydro-5H-cyclopenta[c]pyridine-4-carboxylic acid (CAS 34142-27-3)
- Methyl 2-((1H-indol-5-yl)oxy)acetate (CAS 857261-14-4)
- 1-(1-{[(9H-fluoren-9-yl)methoxy]carbonyl}piperidin-3-yl)-1H-pyrazole-3-carboxylic acid (CAS 2091853-19-7)
- 6,7,8,9-Tetrahydrodibenzo[b,d]furan-1,2-diol (CAS 123558-80-5)
- N-[4-(2-Pyridinyl)benzoyl]glycine-13C2,15N (CAS 1391053-26-1)
- 2-(4-(3-(5-Methylfuran-2-yl)propanamido)phenyl)acetic acid (CAS 876890-37-8)
- 4,5-Dimethyl-1H-benzo[d]imidazole-2-carbaldehyde (CAS 890656-23-2)
- Semaglutide impurity 46 (CAS CATO-C4X-222646)
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