Betamethasone Impurity 94 CAS 19784-87-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 19784-87-3 |
| Molecular Formula | C22H30O4 |
| Molecular Weight | 358.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Betamethasone Impurity 94 (CAS 19784-87-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C22H30O4. Molecular weight: 358.47 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C22H30O4 |
| Molecular Weight | 358.47 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| 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 |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
Related Betamethasone Standards
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- Betamethasone Impurity 75 (CAS CATO-C4X-143775)
- Betamethasone Impurity 128 (CAS CATO-C4X-1437128)
- Betamethasone Impurity 129 (CAS CATO-C4X-1437129)
- Betamethasone Impurity 50 (CAS 1203841-45-5)
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Recommended Standards
- Tert-butyl 5-methyl-2-(2-oxo-2-phenylethyl)-2,7-diazaspiro[3.5]Nonane-7-carboxylate (CAS 1899102-32-9)
- 1,2-Bis(3,4-dichlorophenyl)ethane-1,2-dione (CAS 74417-18-8)
- Tert-butyl 6-methyl-2-(2-oxo-2-phenylethyl)-2,7-diazaspiro[3.5]Nonane-7-carboxylate (CAS 1899102-31-8)
- 1-(Methoxymethyl)-5-vinyl-1H-imidazole (CAS 160425-47-8)
- 3-Chloro-1H-indene-2-carbaldehyde (CAS 74812-71-8)
- 2-(Difluoromethyl)-5-hydroxy-3-iodopyridine-6-acetonitrile (CAS 1807065-88-8)
- 2-Isocyanatobenzofuran (CAS 179873-62-2)
- 7-Methyl-1H-pyrrolo[3,2-c]pyridine-4-carboxylic acid (CAS 1082041-02-8)
- Methyl 2-bromo-5-(dimethylamino)benzoate (CAS 164513-41-1)
- Tau Peptide (273-284) trifluoroacetate salt (CAS 1663490-91-2)
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