Dexamethasone Impurity 93 CAS 83509-38-0
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 83509-38-0 |
| Molecular Formula | C21H28O2 |
| Molecular Weight | 312.45 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Dexamethasone Impurity 93 (CAS 83509-38-0) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C21H28O2. Molecular weight: 312.45 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C21H28O2 |
| Molecular Weight | 312.45 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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.) | 1980 |
Related Dexamethasone Standards
- Dexamethasone Impurity 110 (CAS 1651862-82-6)
- Dexamethasone Impurity 111 (CAS 96789-15-0)
- Dexamethasone Impurity 25 (CAS 1880-61-1)
- Dexamethasone Impurity 92 (CAS 2285-53-2)
- Dexamethasone Sodium Phosphate Impurity 45 (CAS CATO-C4X-116545)
- Dexamethasone Impurity 59 (CAS CATO-C4X-116559)
- Dexamethasone EP Impurity K (CAS 1809224-82-5)
- Dexamethasone EP Impurity E (CAS 13209-41-1)
Recommended Standards
- Z/E-Guggulsterone (CAS 95975-55-6)
- Progesterone EP Impurity A (CAS 24377-08-0)
- Tetrahydrogestrinone (THG) (CAS 618903-56-3)
- Decitabine Impurity 48 (CAS CATO-C4X-113748)
- Levalbuterol Impurity 2 (CAS CATO-C4X-22592)
- 1-(2-(Thiophen-3-yl)ethyl)-1h-pyrazol-3-amine (CAS 1339517-73-5)
- 4-[N-[2-(Acetamido)ethyl]-N-methylamino]-2-carboxy-2-hydroxybenzophenone (CAS 203580-77-2)
- 1-(1H-Pyrrolo[2,3-b]pyridin-6-yl)ethan-1-amine (CAS 2090754-68-8)
- Cefotiam Impurity 37 (CAS CATO-C4X-120437)
- Semaglutide impurity 277 (CAS CATO-C4X-2226277)
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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