Dexamethasone Acetate EP Impurity I CAS 3949-26-6
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 3949-26-6 |
| Molecular Formula | C26H33FO7 |
| Molecular Weight | 476.53 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Dexamethasone Acetate EP Impurity I (CAS 3949-26-6) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C26H33FO7. Molecular weight: 476.53 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C26H33FO7 |
| Molecular Weight | 476.53 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | F-containing |
Related Dexamethasone Standards
- Dexamethasone Impurity 121 (CAS 2600-31-9)
- Dexamethasone 21-Phosphate D5 (CAS 312-93-6 (unlabelled))
- Dexamethasone Sodium Phosphate EP Impurity H (CAS 162968-22-1)
- Dexamethasone impurity 93 (CAS 2414-45-1)
- Dexamethasone Impurity 108 (CAS CATO-C4X-1165108)
- Dexamethasone Impurity 109 (CAS CATO-C4X-1165109)
- Dexamethasone Impurity 117 (CAS CATO-C4X-1165117)
- Dexamethasone Impurity 128 (CAS CATO-C4X-1165128)
Recommended Standards
- Palbociclib Impurity 146 (CAS 2955712-44-2)
- Triamcinolone Acetonide EP Impurity F (CAS 3870-07-3)
- Palbociclib impurity 130 (CAS CATO-C4X-1125130)
- Tadalafil Impurity 136 (CAS 52302-45-1)
- Paliperidone Impurity 3 (CAS CATO-C4X-17243)
- (4s)-4-Amino-3,4-dihydro-2h-1lambda6-benzothiopyran-1,1-dione hydrochloride (CAS 1423040-73-6)
- [2,4'-bipyridine]-3-carbonitrile (CAS 870065-16-0)
- 4-((9H-Fluoren-3-yl)amino)-4-oxobut-2-enoic acid (CAS 6296-24-8)
- Febuxostat Impurity 56 (CAS CATO-C4X-116256)
- Tau Peptide (244-274) (Repeat 1 Domain) trifluoroacetate salt (CAS 330456-24-1)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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