Aprepitant Impurity 23 CAS 287930-75-0
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 287930-75-0 |
| Molecular Formula | C21H19F6NO3 |
| Molecular Weight | 447.37 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Aprepitant Impurity 23 (CAS 287930-75-0) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C21H19F6NO3. Molecular weight: 447.37 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C21H19F6NO3 |
| Molecular Weight | 447.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Aprepitant Standards
- Aprepitant Impurity 24 (CAS 327623-36-9)
- Aprepitant Impurity 25 (CAS CATO-C4X-114125)
- Aprepitant Impurity 26 (CAS CATO-C4X-114126)
- Aprepitant Impurity 77 (CAS CATO-C4X-114177)
- Aprepitant Impurity 78 (CAS CATO-C4X-114178)
- Aprepitant-M3 Metabolite (CAS 419574-04-2)
- Aprepitant impurity 53 (CAS 502537-39-5)
- Aprepitant impurity 34 (CAS CATO-C4X-237934)
Recommended Standards
- tert-Butyl 4-((6-bromopyridin-2-yl)(phenyl)methoxy)piperidine-1-carboxylate (CAS 2007908-37-2)
- 6-(4-(Phenyldiazenyl)phenoxy)hexyl 2-bromo-2-methylpropanoate (CAS 951322-07-9)
- 5-Bromo-1,3-dihydro-3-[[4-(1-methylethyl)phenyl]imino]-1-(2-phenylethyl)-2H-indol-2-one (CAS 341933-43-5)
- N-Nitroso Linagliptin impurity 142 (CAS CATO-C4X-1101142)
- Sitagliptin Impurity 167 (CAS 1840966-95-1)
- Linezolid Impurity 1 (CAS 189038-36-6)
- 107430-29-5 2-(Chloromethyl)-6-(trifluoromethyl)-1H-benzimidazole DTXSID80555846 (CAS 107430-29-5)
- 3-(4-Chlorophenyl)-3-(2,2,2-trifluoroacetamido)propanoic acid (CAS 117291-25-5)
- 3-Methyl-5-phenylpyridazine (CAS 184021-10-1)
- Semaglutide Impurity 11 (CAS CATO-C4X-222611)
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