(4Z)-4-[(4-Methylphenyl)methylidene]-1,3-diphenyl-4,5-dihydro-1H-pyrazol-5-one CAS 39143-16-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 39143-16-3 |
| Molecular Formula | C23H18N2O |
| Molecular Weight | 338.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity (4Z)-4-[(4-Methylphenyl)methylidene]-1,3-diphenyl-4,5-dihydro-1H-pyrazol-5-one (CAS 39143-16-3) pharmaceutical standards reference standard. Molecular formula: C23H18N2O. Molecular weight: 338.40 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C23H18N2O |
| Molecular Weight | 338.40 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 | 2 |
Related Z Standards
- 1-[(4-Methylphenyl)methyl]-4-[5-(thiophen-2-yl)-1H-pyrazol-3-yl]piperidine (CAS 321848-33-3)
- N-{[(4-methylphenyl)carbamoyl]amino}-3-(pyridin-3-yl)-4,5-dihydro-1,2-oxazole-5-carboxamide (CAS 478064-41-4)
- 2-{[(4-methylphenyl)methyl]amino}-2-phenyl-N-(1,3-thiazol-2-yl)acetamide (CAS 1031703-61-3)
- (4-Methylphenyl)[1-[(4-methylphenyl)sulfonyl]-1H-pyrrol-3-yl]methanone (CAS 1393442-27-7)
- 2-{[4-(2-methylphenyl)-5-phenyl-4h-1,2,4-triazol-3-yl]sulfanyl}acetohydrazide (CAS 893727-47-4)
- 2-{[4-(4-methylphenyl)-5-phenyl-4H-1,2,4-triazol-3-yl]sulfanyl}acetohydrazide (CAS 380431-74-3)
- 2-{[5-(4-methylphenyl)-4-phenyl-4H-1,2,4-triazol-3-yl]sulfanyl}acetohydrazide (CAS 500119-41-5)
- Methyl {[5-(4-methylphenyl)-4-phenyl-4H-1,2,4-triazol-3-yl]thio}acetate (CAS 332911-18-9)
Recommended Standards
- (3R,6R)-4-benzyl-3-(hydroxymethyl)-6-(phenoxymethyl)morpholine-3-carbonitrile (CAS 2198380-42-4)
- (9H-Fluoren-9-yl)methyl (1,4-oxazepan-6-yl)carbamate (CAS 2830897-49-7)
- (2S,4R)-1-Boc-4-(Cbz-amino)pyrrolidine-2-carboxylic Acid (CAS 874163-00-5)
- 2-(Dimethylamino)-N'-(diphenylmethylene)acetohydrazide (CAS 93730-28-0)
- Methyl N-(2,3-dichlorophenyl)-N-[(4-methylphenyl)sulfonyl]glycinate (CAS 884987-11-5)
- Ethyl 1,5-dimethyl-1H-pyrazole-3-carboxylate (CAS 5744-51-4)
- 2-(Piperidin-1-yl)thiazole (CAS 4175-70-6)
- [2-(6-methoxypyridin-3-yl)ethyl](methyl)amine (CAS 1780301-94-1)
- Perindopril Impurity 11 (CAS 169061-41-0)
- Atrial Natriuretic Peptide (ANP)(1-28) Alpha (Human, Ovine, Canine) (CAS 91917-63-4)
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