吡格列酮杂质4 CAS 1207681-52-4
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1207681-52-4 |
| Molecular Formula | C18H21NO3 |
| Molecular Weight | 299.36 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order 吡格列酮杂质4 (CAS 1207681-52-4) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C18H21NO3. Molecular weight: 299.36 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C18H21NO3 |
| Molecular Weight | 299.36 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
Recommended Standards
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- 1-Cyclohexyl-1h-imidazo[4,5-c]pyridine-2-thiol (CAS 120759-69-5)
- 1-Benzyl-5-bromo-3,6-dimethylpyrimidine-2,4-dione (CAS 1935171-56-4)
- 3,5-Dibromo-1-{[4-chloro-3-(trifluoromethyl)phenyl]methyl}-1h-1,2,4-triazole (CAS 1240568-47-1)
- N-ethyl-5-(1-(3-(trifluoromethyl)phenoxy)ethyl)-1H-pyrazole-1-carboxamide (CAS 241127-26-4)
- C-Type Natriuretic Peptide (32-53) (human, porcine, rat) (CAS 127869-51-6)
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