(Z)-4-(4-(dimethylamino)benzylidene)-2,5-diphenyl-2,4-dihydro-3H-pyrazol-3-one CAS 39143-18-5
Purity 97%+In StockPharmaceutical Standards
| 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
(Z)-4-(4-(dimethylamino)benzylidene)-2,5-diphenyl-2,4-dihydro-3H-pyrazol-3-one (CAS 39143-18-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C24H21N3O. Molecular weight: 367.44 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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 |
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- N-{1-({2-[(Dimethylamino)methylene]hydrazino}carbonyl)-2-[(4-methyl-2-pyrimidinyl)amino]vinyl}benzenecarboxamide (CAS 339010-35-4)
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Recommended Standards
- (Z)-{2,2-bis[(2,4-dimethylphenyl)carbamoyl]ethylidene}(methyl)oxidoazanium (CAS 400088-03-1)
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- (S)-2-Benzyl 3-tert-butyl 3,4-dihydroisoquinoline-2,3(1H)-dicarboxylate (CAS 79276-05-4)
- Bicyclo[2.2.2]octane (CAS 280-33-1)
- [1-(Oxan-2-yl)-1H-indazol-5-yl]boronic acid (CAS 1562245-02-6)
- 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)
- Semaglutide impurity 46 (CAS CATO-C4X-222646)
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