Betamethasone Impurity 26 CAS 98574-03-9
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 98574-03-9 |
| Molecular Formula | C22H26O2 |
| Molecular Weight | 322.44 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Betamethasone Impurity 26 (CAS 98574-03-9), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C22H26O2. Molecular weight: 322.44 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C22H26O2 |
| Molecular Weight | 322.44 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
Related Betamethasone Standards
- Betamethasone Impurity 10 (CAS 38680-83-0)
- Betamethasone Impurity 78 (CAS CATO-C4X-143778)
- Betamethasone Impurity 126 (CAS 90039-84-2)
- Betamethasone Impurity 81 (CAS CATO-C4X-143781)
- Betamethasone Impurity 66 (CAS 90039-90-0)
- Betamethasone EP Impurity C (CAS 13504-15-9)
- Betamethasone EP Impurity F (CAS 330157-04-5)
- Betamethasone Impurity 94 (CAS 19784-87-3)
Recommended Standards
- N-(1-benzylpiperidin-4-yl)-N-phenylpropanamide (CAS 1474-02-8)
- Fudosteine Impurity 34 (CAS CATO-C4X-144734)
- 898783-79-4 (3,5-Dimethylphenyl){4-[(4-methylpiperazin-1-yl)methyl]phenyl}methanone DTXSID50642979 (CAS 898783-79-4)
- Salbutamol Impurity N19 (CAS 77430-27-4)
- Prucalopride Impurity 4 (CAS CATO-C4X-10384)
- Ethyl 3-chloro-6-(chlorosulfonyl)-1-methyl-1h-pyrrolo[3,2-b]pyridine-2-carboxylate (CAS 1423025-12-0)
- 5-Bromo-6-(cyclohexyloxy)nicotinic acid (CAS 1216394-54-5)
- 2-Methylthio-3-isopropylpyrazine (CAS 67952-59-4)
- 2-(tert-Butyl)-6-chlorobenzo[d]oxazole-7-thiol (CAS 954127-39-0)
- Acetyl-Tau Peptide (244-274) (Repeat 1 Domain) trifluoroacetate salt (CAS 2022956-56-3)
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