Fulvestrant EP Impurity B CAS 98008-06-1
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 98008-06-1 |
| Molecular Formula | C32H47F5O4S |
| Molecular Weight | 622.77 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Fulvestrant EP Impurity B (CAS 98008-06-1) pharmacopoeial impurity standards reference standard. Molecular formula: C32H47F5O4S. Molecular weight: 622.77 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C32H47F5O4S |
| Molecular Weight | 622.77 g/mol |
| Purity | >95% |
| Storage | Store at room temperature, 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
Related Fulvestrant Standards
- Fulvestrant EP Impurity B (CAS CATO-C4X-191733)
- Fulvestrant 3-O-Methyl Impurity (CAS 1221256-46-7)
- Fulvestrant impurity 38 (CAS CATO-C4X-191738)
- Fulvestrant EP Impurity F (CAS CATO-C4X-19176)
- Fulvestrant impurity 55 (CAS CATO-C4X-191755)
- Fulvestrant Impurity 30 (CAS CATO-C4X-191730)
- Fulvestrant Impurity 60 (CAS 875573-69-6)
- Fulvestrant-d3 (CAS CATO-C4X-19177)
Recommended Standards
- Tetrandrine (CAS 518-34-3)
- Difelikefalin Impurity 76 (CAS CATO-C4X-304176)
- (±)-Inupadenant (CAS 2246607-06-5)
- Cefodizime Impurity 2 (CAS CATO-C4X-18062)
- Sarpogrelate impurity 15 (CAS CATO-C4X-291315)
- Dabigatran Etexilate Impurity 2 (CAS 333350-60-0)
- 2-(4-Bromo-2-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 321574-04-3)
- Tofacitinib Impurity 75 (CAS CATO-C4X-107975)
- 6-Bromo-3-hydroxy-2-phenyl-3,4-dihydroquinazolin-4-one (CAS 477864-80-5)
- GnRH Associated Peptide (GAP) (1-13), human (CAS 100111-07-7)
Why CATO?
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