Betamethasone impurity 106 CAS 330157-03-4
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 330157-03-4 |
| Molecular Formula | C22H29BrO5 |
| Molecular Weight | 453.37 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Betamethasone impurity 106 (CAS 330157-03-4) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C22H29BrO5. Molecular weight: 453.37 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C22H29BrO5 |
| Molecular Weight | 453.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; 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.) | 2025 |
| Halogen Content | Br-containing |
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Recommended Standards
- tert-butyl N-[5-bromo-4-(dimethoxymethyl)-2-pyridyl]-N-tert-butoxycarbonyl-carbamate (CAS 2271359-81-8)
- (E)-[(4-Chlorophenyl)methoxy][(2-{[(4-chlorophenyl)methyl]sulfanyl}quinolin-3-yl)methylidene]amine (CAS 478065-88-2)
- 9α-Bromo-16α-methylprednisolone (CAS 26543-61-3)
- Thioctic acid Impurity 34 (CAS CATO-C4X-152634)
- Posaconazole Impurity 83 (CAS CATO-C4X-120883)
- 7-Hydroxy-3-(4-methylbenzenesulfonyl)-2H-chromen-2-one (CAS 78440-50-3)
- Trietazine (CAS 1912-26-1)
- Ciprofloxacin Ethyl Ester (CAS 105404-65-7)
- 4-(2-(Chloromethyl)oxazol-5-yl)-N,N-dimethylbenzenesulfonamide (CAS 89102-57-8)
- Peptide YY (3-36) (human) (CAS 123583-37-9)
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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