Hydrocortisone impurity 40 CAS 33767-18-9
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 33767-18-9 |
| Molecular Formula | C25H32O8 |
| Molecular Weight | 460.52 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Hydrocortisone impurity 40 (CAS 33767-18-9) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C25H32O8. Molecular weight: 460.52 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C25H32O8 |
| Molecular Weight | 460.52 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
Related Hydrocortisone Standards
- Hydrocortisone Impurity 01 (CAS 10215-75-5)
- Hydrocortisone Impurity 60 (CAS CATO-C4X-140160)
- Hydrocortisone Impurity 61 (CAS CATO-C4X-140161)
- Hydrocortisone 17-Propionate 21-Acetate (CAS 74050-20-7)
- Hydrocortisone Impurity 39 (CAS 3593-96-2)
- Hydrocortisone Impurity 32 (CAS 103242-89-3)
- Hydrocortisone Impurity 67 (CAS 146201-55-0)
- Hydrocortisone Impurity 75 (CAS 220489-73-6)
Recommended Standards
- Picosulfate impurity 30 (CAS CATO-C4X-123730)
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- Canagliflozin Impurity 60 (CAS CATO-C4X-112360)
- Olaparib Impurity 66 (CAS 40019-44-1)
- Imrecoxib Impurity 58 (CAS CATO-C4X-237958)
- 2,7-Dimethoxy-3,6-bis(methylseleno)-naphthalene (CAS 105405-00-3)
- 2,2'-Dithiodipropionic acid (CAS 4775-93-3)
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