Prednisolone impurity 58 CAS 19357-45-0
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 19357-45-0 |
| Molecular Formula | C23H32O5 |
| Molecular Weight | 388.50 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Prednisolone impurity 58 (CAS 19357-45-0) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C23H32O5. Molecular weight: 388.50 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C23H32O5 |
| Molecular Weight | 388.50 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
Related Prednisolone Standards
- Prednisolone Impurity 5 (CAS 2141-22-2)
- Prednisolone Acetate EP Impurity E (CAS 4380-55-6)
- Prednisolone Impurity 32 (CAS CATO-C4X-173732)
- Prednisolone Impurity 34 (CAS CATO-C4X-173734)
- 6α-Methyl Prednisolone-d3 (CAS CATO-C4X-173725)
- Prednisolone Impurity 28 (CAS 95440-71-4)
- Prednisolone Impurity 41 (CAS CATO-C4X-173741)
- Prednisolone impurity 60 (CAS CATO-C4X-173760)
Recommended Standards
- Hydrocortisone Impurity 64 (CAS 96391-56-9)
- Latanoprost Impurity 29 (CAS CATO-C4X-194129)
- Hydrocortisone EP Impurity K (CAS 640-87-9)
- Apremilast impurity 94 (CAS CATO-C4X-100994)
- Avatrombopag Impurity 118 (CAS CATO-C4X-2234118)
- 2-(Difluoromethyl)-6-fluoro-4-iodopyridine-3-acetic acid (CAS 1805053-82-0)
- 2-Chloro-N-(2-((2,5-dimethylphenyl)amino)-2-oxoethyl)-N-methylacetamide (CAS 757220-81-8)
- (E)-N-(4-Chlorophenyl)-N'-ethylpyridine-3-carboximidamide (CAS 338408-46-1)
- (S)-piperidin-3-ylmethanesulfonamide (CAS 2322935-82-8)
- Semaglutide impurity 32 (CAS CATO-C4X-222632)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com