Fulvestrant EP Impurity A CAS 407577-53-1
Purity >90%In StockPharmacopoeial Impurity Standards
| CAS No. | 407577-53-1 |
| Molecular Formula | C32H47F5O3S |
| Molecular Weight | 606.77 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Fulvestrant EP Impurity A (CAS 407577-53-1) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C32H47F5O3S. Molecular weight: 606.77 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C32H47F5O3S |
| Molecular Weight | 606.77 g/mol |
| Purity | >90% |
| 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.) | 2025 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
Related Fulvestrant Standards
- Fulvestrant (CAS 129453-61-8)
- Fulvestrant S Enantiomer (CAS 1316849-17-8)
- Fulvestrant R Enantiomer (CAS 1807900-80-6)
- Fulvestrant impurity 32 (CAS CATO-C4X-191732)
- Fulvestrant impurity 36 (CAS CATO-C4X-191736)
- Fulvestrant EP Impurity E (CAS 2170200-14-1)
- Fulvestrant impurity 53 (CAS CATO-C4X-191753)
- Fulvestrant-d3 (CAS CATO-C4X-19177)
Recommended Standards
- 5-(2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}ethyl)-3-[1-(2,4-dichlorophenyl)-3-methyl-5-oxo-1,2,4-triazolidin-3-yl]-3aH,4H,5H,6H,6aH-pyrrolo[3,4-d][1,2]oxazole-4,6-dione (CAS 317822-54-1)
- Biotin-PEG5-NH-Boc (CAS 189209-28-7)
- Ceftolozane Impurity 22 (CAS CATO-C4X-240622)
- Febuxostat Impurity 43 (CAS 161798-03-4)
- Mometasone Furoate EP Impurity D (CAS 83881-09-8)
- 4-(Cyanomethyl)-6-(difluoromethyl)-3-hydroxypicolinonitrile (CAS 1805359-62-9)
- N-[(1E)-{[(2-bromophenyl)methoxy]imino}methyl]-4-methoxy-2-phenoxypyridine-3-carboxamide (CAS 478262-48-5)
- 2-Methyl-4-((trimethylsilyl)oxy)quinoline (CAS 162283-20-7)
- 4-(8-Methoxyisoquinolin-5-yl)aniline (CAS 919362-95-1)
- Des-Ile17-Tirzepatide (CAS CATO-CPTD788956)
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