Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate) CAS 2921-57-5
Purity >95In StockPharmaceutical Standards
| CAS No. | 2921-57-5 |
| Molecular Formula | C26H34O8 |
| Molecular Weight | 474.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methylprednisolone 21-Hemisuccinate (Methylprednisolone Hydrogen Succinate) (CAS 2921-57-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C26H34O8. Molecular weight: 474.54 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C26H34O8 |
| Molecular Weight | 474.54 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95 |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Methylprednisolone Standards
- Methylprednisolone Hydrogen Succinate EP Impurity F (CAS 2376134-25-5)
- Methylprednisolone Hydrogen Succinate EP Impurity B (CAS 77074-42-1)
- Methylprednisolone Impurity 3 (CAS CATO-C4X-19193)
- Methylprednisolone impurity 96 (CAS 103302-98-3)
- Methylprednisolone Impurity 52 (CAS CATO-C4X-191952)
- Methylprednisolone Impurity 49 (CAS CATO-C4X-191949)
- Methylprednisolone Impurity 1 (CAS CATO-C4X-19191)
- Methylprednisolone Impurity 78 (CAS CATO-C4X-191978)
Recommended Standards
- Saterinone (CAS 102669-89-6)
- (S)-2-((tert-Butoxycarbonyl)amino)-5-((2,2,10,10-tetramethyl-4,8-dioxo-3,9-dioxa-5,7-diazaundecan-6-ylidene)amino)pentanoic acid (CAS 108787-91-3)
- Canagliflozin Impurity 30 (CAS 1358581-37-9)
- Ethyl 1-methyl-3-methylenecyclobutane-1-carboxylate (CAS 227607-41-2)
- β--Glucose-1-phosphate disodium salt (CAS 83833-15-2)
- Ilaprazole Impurity 127 (CAS CATO-C4X-1130127)
- (1R,2S,4R,5S)-rel-3-Oxatricyclo[3.2.1.02,4]octane (CAS 3146-39-2)
- TPB49 (CAS 2653216-25-0)
- 1-(Benzenesulfonyl)-2-bromo-1H-pyrrole (CAS 168106-36-3)
- Insulin Degludec Impurity 8 (CAS CATO-C4X-21578)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com