Betamethasone EP Impurity H CAS 185613-71-2
Purity 90%In StockPharmacopoeial Impurity Standards
| CAS No. | 185613-71-2 |
| Molecular Formula | C22H29FO5 |
| Molecular Weight | 392.46 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Betamethasone EP Impurity H (CAS 185613-71-2) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C22H29FO5. Molecular weight: 392.46 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C22H29FO5 |
| Molecular Weight | 392.46 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 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.) | 2010 |
| Halogen Content | F-containing |
Related Betamethasone Standards
- Betamethasone Impurity 22 (CAS 2990-65-0)
- Betamethasone Impurity 117 (CAS CATO-C4X-1437117)
- Betamethasone Impurity 145 (CAS CATO-C4X-1437145)
- Betamethasone Impurity 34(Mixture of Diastereomers) (CAS 1249-19-0)
- Betamethasone impurity 71 (CAS 37926-76-4)
- Betamethasone EP Impurity I (CAS 185613-69-8)
- Betamethasone impurity 97 (CAS 1150311-95-7)
- Betamethasone impurity 98 (CAS CATO-C4X-143798)
Recommended Standards
- Dexamethasone impurity 69 (CAS CATO-C4X-116569)
- Dexamethasone impurity 68 (CAS CATO-C4X-116568)
- Dexamethasone impurity 67 (CAS CATO-C4X-116567)
- Afatinib Impurity 59 (CAS CATO-C4X-100659)
- Urapidil Impurity 88 (CAS 13379-99-2)
- Amorolfine Impurity 50 (CAS 67468-55-7)
- Ethyl 4-bromo-5-(difluoromethoxy)-1-methyl-1H-pyrazole-3-carboxylate (CAS 1239759-63-7)
- des-Arg⁹-[Leu⁸]-Bradykinin acetate salt (CAS 115035-45-5)
- 5-Bromo-4-fluoro-1-(tetrahydro-2H-pyran-2-yl)-1H-indazole (CAS 1365889-20-8)
- Mast Cell Degranulating Peptide (CAS 83856-13-7)
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