Methylprednisolone Acetate EP Impurity I CAS 6870-94-6
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 6870-94-6 |
| Molecular Formula | C22H30O4 |
| Molecular Weight | 358.47 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Methylprednisolone Acetate EP Impurity I (CAS 6870-94-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C22H30O4. Molecular weight: 358.47 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C22H30O4 |
| Molecular Weight | 358.47 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
Related Methylprednisolone Standards
- Methylprednisolone Impurity 57 (CAS 1048031-80-6)
- Methylprednisolone Impurity 81 (CAS 82332-00-1)
- Methylprednisolone EP Impurity D (CAS 1338549-02-2)
- Methylprednisolone EP Impurity G (CAS 93269-35-3)
- Methylprednisolone EP Impurity D(E-Isomer) (CAS CATO-C4X-19194)
- Methylprednisolone Impurity 79 (CAS CATO-C4X-191979)
- Methylprednisolone impurity 6 (CAS CATO-C4X-191986)
- Methylprednisolone Acetate EP Impurity C (CAS 58636-50-3)
Recommended Standards
- Ulipristal Impurity 28 (CAS 42982-49-0)
- Peramivir Impurity 63 (CAS 1988779-13-0)
- Peramivir Impurity 25 (CAS 316173-29-2)
- Dotinurad Impurity 239 (CAS CATO-C4X-2494239)
- Flunarizine EP Impurity D（(Z)-Flunarizine） (CAS 693765-11-6)
- Hexanoic-2,2-d2 Acid (CAS 55320-65-5)
- 2-Chloro-4,5-dihydro-1H-imidazole (CAS 54255-11-7)
- (4-Amino-6-methylpyridin-3-yl)boronic acid (CAS 1310404-54-6)
- 5-(2-Aminoethyl)thiazol-2-ol hydrochloride (CAS 1806489-82-6)
- Hexapeptide-9 (CAS 885024-94-2)
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