Prednisolone impurity 66 CAS 137759-50-3
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 137759-50-3 |
| Molecular Formula | C25H34O5 |
| Molecular Weight | 414.53 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Prednisolone impurity 66 (CAS 137759-50-3) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C25H34O5. Molecular weight: 414.53 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C25H34O5 |
| Molecular Weight | 414.53 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
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Recommended Standards
- Budesonide Impurity 17 (CAS CATO-C4X-138917)
- 19-Hydroxynonadec-2-ene-1,2,3-tricarboxylic acid (CAS 181514-10-3)
- Methylprednisolone Impurity 47 (CAS CATO-C4X-191947)
- Ceftazidime Impurity 23 (CAS 158183-05-2)
- Torasemide impurity 37 (CAS CATO-C4X-183637)
- 1-(5-Bromo-2-ethoxyphenyl)ethanone (CAS 16602-11-2)
- 7-Methyl-2-(methylamino)pyrido[2,3-d]pyrimidin-6-yl trifluoromethanesulfonate (CAS 1454682-77-9)
- Sulpiride impurity 17 (CAS CATO-C4X-187617)
- 1-vinylcyclohexanol (CAS 1940-19-8)
- Ephrin-A2-Selective YSA-Peptide (CAS 532441-10-4)
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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