(4Z)-1-(6-Chloropyridin-2-yl)-4-{[(4-phenoxyphenyl)amino]methylidene}-4,5-dihydro-1H-pyrazol-5-one CAS 320419-26-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 320419-26-9 |
| Molecular Formula | C21H15ClN4O2 |
| Molecular Weight | 390.82 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity (4Z)-1-(6-Chloropyridin-2-yl)-4-{[(4-phenoxyphenyl)amino]methylidene}-4,5-dihydro-1H-pyrazol-5-one (CAS 320419-26-9) pharmaceutical standards reference standard. Molecular formula: C21H15ClN4O2. Molecular weight: 390.82 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C21H15ClN4O2 |
| Molecular Weight | 390.82 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Z Standards
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- (2-Chloropyridin-3-yl)bis(2-(methylthio)pyrimidin-4-yl)methanol (CAS 330823-21-7)
- N-(4-Chloropyridin-2-yl)-1,1,1-trifluoro-N-((trifluoromethyl)sulfonyl)methanesulfonamide (CAS 1027235-95-5)
- (3E)-3-({4-[(6-chloropyridin-3-yl)methoxy]-3-methoxyphenyl}methylidene)-2,3-dihydro-1H-indol-2-one (CAS 861207-72-9)
- 2-(2-Chloropyridin-3-yl)-5,6-dimethyl-1-[(4-nitrophenyl)methyl]-1H-1,3-benzodiazole (CAS 866051-55-0)
- 2-(2-Chloropyridin-3-yl)-1-(2,4-dichlorobenzyl)-1H-benzo[d]imidazole (CAS 338411-20-4)
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Recommended Standards
- 3-Dodecyl-1,1,1,3,5,5,5-heptamethyltrisiloxane (CAS 139614-44-1)
- 2-((3-Benzoyl-6-chloroimidazo[1,2-a]pyridin-8-yl)oxy)-1-phenylethanone (CAS 2006270-60-4)
- Ethyl 2-(2-((2-chlorophenyl)amino)-2-oxoethyl)-3-oxo-3,5,7,8-tetrahydropyrido[4,3-c]pyridazine-6(2H)-carboxylate (CAS 1326907-19-0)
- 6-Chloroquinoxaline-2,3-dicarbonitrile (CAS 72114-24-0)
- N,N-dimethyl-2-phenyl-4-((3-(trifluoromethyl)phenyl)thio)pyrimidine-5-carboxamide (CAS 477859-53-3)
- tert-Butyl 4-(4-bromophenyl)pyrazole-1-carboxylate (CAS 1100052-58-1)
- 2-Methyl-7,8,9,10-tetrahydro-6H-cyclohepta[b]quinolin-11-amine (CAS 5778-85-8)
- 2-Amino-4-methyl-1H-imidazole-5-carboxylic acid hydrate (CAS 2089257-22-5)
- Methyltri(thiophen-2-yl)phosphonium iodide (CAS 27127-37-3)
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