4-((2-(4-Chlorophenyl)-2-oxoethyl)amino)-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one CAS 55837-26-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 55837-26-8 |
| Molecular Formula | C25H31NO4 |
| Molecular Weight | 409.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4-((2-(4-Chlorophenyl)-2-oxoethyl)amino)-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one (CAS 55837-26-8) pharmaceutical standards reference standard. Molecular formula: C25H31NO4. Molecular weight: 409.52 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C25H31NO4 |
| Molecular Weight | 409.52 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 1 |
Related Chlorophenyl Standards
- 1170223-55-8 Methyl 3-(3-chlorophenyl)-5-(dibromomethyl)isoxazole-4-carboxylate MFCD14282015 (CAS 1170223-55-8)
- 3,7-Bis(4-chlorophenyl)-7-methyltetrahydro-5H-imidazo[1,5-b][1,2,4]triazole-2,5(3H)-dithione (CAS 400084-40-4)
- (2-Chlorophenyl)(2-((4-chlorophenyl)sulfonyl)benzyl)sulfane (CAS 337923-91-8)
- 2-{[(4-chlorophenyl)methyl]sulfanyl}-4-[(2-chlorophenyl)sulfanyl]-5-methoxypyrimidine (CAS 338423-14-6)
- 2-{[(4-chlorophenyl)methyl]sulfanyl}-4-[(4-chlorophenyl)sulfanyl]-5-methoxypyrimidine (CAS 338423-05-5)
- Ethyl 5-(4-chlorophenyl)-1-(2,4-dichlorophenyl)-4-methyl-1H-pyrazole-3-carboxylate (CAS 158941-22-1)
- 1,1-Bis(4-chlorophenyl)-2-(4-fluorobenzenesulfinyl)ethan-1-ol (CAS 303152-27-4)
- 1-(4-Chlorophenyl)-2,6-dioxo-N-(3-(trifluoromethyl)phenyl)-1,2,3,6-tetrahydropyrimidine-4-carboxamide (CAS 861212-24-0)
Recommended Standards
- 2-(((Tetrahydro-2H-pyran-2-yl)methyl)thio)-5-(2-(thiophen-2-yl)quinolin-4-yl)-1,3,4-oxadiazole (CAS 870757-54-3)
- 4,5-Dibromo-N-(2-chloro-4-methylphenyl)thiophene-2-carboxamide (CAS 950154-47-9)
- 2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)decanoic acid (CAS 647014-76-4)
- Methyl 6-amino-5-cyano-4-(2-fluorophenyl)-2-(methoxymethyl)-4H-pyran-3-carboxylate (CAS 313379-54-3)
- 6-Amino-4'-methoxy-[1,1'-biphenyl]-2-carboxylic acid (CAS 1198278-15-7)
- 4-((tert-Butoxycarbonyl)amino)cyclohex-1-en-1-yl trifluoromethanesulfonate (CAS 849069-49-4)
- 2-(Difluoromethyl)-5-iodo-6-methylpyridine-3-carboxamide (CAS 1806983-74-3)
- 4-(4-Chlorophenyl)phthalazin-1(2H)-one (CAS 51334-86-2)
- Dimethyl 2-methoxypyrimidine-4,5-dicarboxylate (CAS 143034-61-1)
- Semaglutide impurity 229 (CAS CATO-C4X-2226229)
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