Dexamethasone Impurity 33 CAS 75262-69-0
Purity >90%In StockPharmacopoeial Impurity Standards
| CAS No. | 75262-69-0 |
| Molecular Formula | C21H27FO4 |
| Molecular Weight | 362.44 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Dexamethasone Impurity 33 (CAS 75262-69-0) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C21H27FO4. Molecular weight: 362.44 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C21H27FO4 |
| Molecular Weight | 362.44 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >90% |
| Storage | Store at 2-8°C, 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.) | 1978 |
| Halogen Content | F-containing |
Related Dexamethasone Standards
- Dexamethasone impurity 89 (CAS CATO-C4X-116589)
- Dexamethasone Impurity 85 (CAS CATO-C4X-116585)
- Dexamethasone Impurity 94 (CAS 59861-00-6)
- Dexamethasone EP Impurity E (CAS 13209-41-1)
- Dexamethasone Impurity 58 (CAS CATO-C4X-116558)
- Dexamethasone EP Impurity K (CAS 1809224-82-5)
- Dexamethasone EP Impurity J (CAS 2036-77-3)
- Dexamethasone EP Impurity D (CAS 24916-90-3)
Recommended Standards
- Febuxostat Impurity 73 (CAS 1346238-15-0)
- Febuxostat Impurity 15 (CAS 1271738-74-9)
- Nilotinib Impurity 13 (CAS CATO-C4X-125613)
- Cefodizime Impurity 4 (CAS CATO-C4X-18064)
- Isavuconazole impurity 71 (CAS CATO-C4X-1236171)
- 2-(4-Fluorophenyl)-2-methylpropanenitrile (CAS 93748-09-5)
- 2-[(2-Chloro-6-fluorophenyl)methyl]-4-(5-ethyl-1,2,4-oxadiazol-3-yl)-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidine-1,3-dione (CAS 1775444-02-4)
- 2-((3-Methylpentan-2-yl)amino)cyclohexan-1-ol (CAS 1249833-64-4)
- 1-(5-(Benzyloxy)-4-methoxy-2-nitrophenyl)ethanone (CAS 516526-40-2)
- Urotensin II-Related Peptide (human, mouse, rat) (CAS 342878-90-4)
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