Prednisone Impurity N297 CAS 1249-67-8
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1249-67-8 |
| Molecular Formula | C23H30O5 |
| Molecular Weight | 386.48 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Prednisone Impurity N297 (CAS 1249-67-8) pharmacopoeial impurity standards reference standard. Molecular formula: C23H30O5. Molecular weight: 386.48 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C23H30O5 |
| Molecular Weight | 386.48 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1957 |
Related Prednisone Standards
- Prednisone Impurity 14 (CAS CATO-C4X-169414)
- Prednisone Impurity N56 (CAS 103466-44-0)
- Prednisone-d4 (Major) (CAS CATO-C4X-191925)
- Prednisone Impurity 28 (20(S)-Hydroxy Methylprednisolone) (CAS 387-66-6)
- Prednisone Impurity 29 (20(R)-Hydroxy Methylprednisolone) (CAS 387-65-5)
- Prednisone Impurity 11 (CAS 2601-23-2)
- Prednisone Impurity 14 (CAS 94088-91-2)
- Prednisone Impurity 5 (CAS 215095-77-5)
Recommended Standards
- Δ6-Tetrahydrocannabinol-7-carboxyl Acetate (CAS 121929-01-9)
- 8-Benzyl-4-cyclohexanecarbonyl-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid (CAS 1326812-72-9)
- 1,3,5-Pentanetricarboxylic acid, 3-acetyl-, 1,5-bis(1,1-dimethylethyl) 3-ethyl ester (CAS 1135619-58-7)
- Argatroban Impurity 95 (CAS 153886-68-1)
- Ezetimibe Impurity 112 (CAS CATO-C4X-1098112)
- 3,5-Dibromo-1-(2-bromoallyl)-1h-1,2,4-triazole (CAS 1384661-61-3)
- 1-Cyclohexylcyclohexene (CAS 3282-54-0)
- Agomelatine Impurity 48 (CAS CATO-C4X-110848)
- (Triphenylphosphoranyl)copper(II) iodide (CAS 47107-74-4)
- Calcium-Like Peptide 3 (CAS 261969-05-5)
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