Prednisolone Impurity 42 CAS 85847-53-6
Purity >90%In StockPharmacopoeial Impurity Standards
| CAS No. | 85847-53-6 |
| Molecular Formula | C22H29IO4 |
| Molecular Weight | 484.37 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Prednisolone Impurity 42 (CAS 85847-53-6) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C22H29IO4. Molecular weight: 484.37 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C22H29IO4 |
| Molecular Weight | 484.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >90% |
| Storage | Store at room temperature, 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1981 |
| Halogen Content | I-containing |
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Recommended Standards
- Clevidipine butyrate Impurity 22 (CAS CATO-C4X-101522)
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- 4-(3,5-Bis(trifluoromethyl)benzyl)-6-(2-fluorophenyl)-4,5-dihydropyrido[3,2-f][1,4]oxazepin-3(2H)-one (CAS 877052-79-4)
- Naproxen Impurity 41 (CAS CATO-C4X-170841)
- Vilanterol Impurity 30 (CAS 503070-62-0 (free base))
- 4-Butoxy-2-(trifluoromethyl)aniline (CAS 121307-20-8)
- 3-Amino-6-ethyl-N-(4-methylbenzyl)-5,6,7,8-tetrahydrothieno[2,3-b]quinoline-2-carboxamide (CAS 445269-17-0)
- 2-oxabicyclo[2.2.2]octane-4-carboxylic acid (CAS 2168906-49-6)
- O-n-Butanoyl-2,3-O-diisopropylidene-α-D-mannofuranoside (CAS 177562-15-1)
- D-Asp9-Tirzepatide (CAS CATO-CPTD788923)
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