Elagolix Impurity 66 CAS CATO-C4X-206866
| CAS No. | CATO-C4X-206866 |
| Molecular Formula | C25H23BrF4N4O5 |
| Molecular Weight | 615.37 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Elagolix Impurity 66 (CAS CATO-C4X-206866), a pharmacopoeial impurity reference standard (molecular formula C25H23BrF4N4O5, MW 615.37 g/mol) used for the identification and quantification of trace impurities in APIs.
Elagolix Impurity 66 (C25H23BrF4N4O5) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine/bromine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C25H23BrF4N4O5 |
| Molecular Weight | 615.37 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 4 |
Related Elagolix Standards
- Elagolix Impurity 11 (CAS 2248628-93-3)
- Elagolix Impurity 25 (CAS 832720-51-1)
- Elagolix Impurity 54 (CAS CATO-C4X-206854)
- Elagolix Impurity 13 (CAS CATO-C4X-206813)
- Elagolix Impurity 35 (CAS CATO-C4X-206835)
- Elagolix Impurity 28 (CAS 830346-49-1)
- Elagolix Impurity 90 (CAS CATO-C4X-206890)
- Elagolix Impurity 26 (CAS CATO-C4X-206826)
Recommended Standards
- Gimeracil Impurity 13 (CAS CATO-C4X-121413)
- Trametinib impurity 04 (CAS 871700-25-3)
- N-(2,3-dihydroxypropyl)-1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-N-propyloctane-1-sulfonamide (CAS 2262-49-9)
- Trametinib Impurity N11 (CAS 871701-23-4)
- Vibegron Impurity 7 (CAS CATO-C4X-23767)
- Rotigotine Impurity 34 (CAS CATO-C4X-192734)
- Haloperidol Decanoate EP Impurity E (CAS 1796933-22-6)
- N-Cyclobutyl-5-methylpyridin-2-amine (CAS 1248957-85-8)
- 1-Hydroxy-1H-imidazole-2-carbaldehyde (CAS 202212-00-8)
- 3α-Hydroxy Tibolone 17-O-Sulfate (CAS 144466-05-7)
- Ethyl 2-([1,2,4]triazolo[1,5-a]pyrimidin-7-yl)-3-phenylpropanoate (CAS 477868-50-1)
- 4-Amino-2-methoxycyclopentan-1-ol (CAS 2454020-21-2)
- 5-Ethynyl-2-fluoronicotinic acid (CAS 1824168-20-8)
- Antifreeze Polypeptide 6 (winter flounder) trifluoroacetate salt (CAS 122604-16-4)
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 18665070610 / Nicole.chen@cato-chem.com