Aprepitant Impurity 33 CAS 1265177-56-7
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1265177-56-7 |
| Molecular Formula | C10H8F6O |
| Molecular Weight | 258.16 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Aprepitant Impurity 33 (CAS 1265177-56-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H8F6O. Molecular weight: 258.16 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H8F6O |
| Molecular Weight | 258.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F-containing |
Related Aprepitant Standards
- Aprepitant Impurity 32 (CAS 225920-05-8)
- Aprepitant Impurity 38 (CAS 127852-28-2)
- Aprepitant Impurity 45 (CAS 364-47-6)
- Aprepitant Impurity 76 (CAS CATO-C4X-114176)
- Aprepitant impurity 28 (CAS 479679-98-6)
- Aprepitant Impurity 34 (CAS 30071-93-3)
- Aprepitant Impurity 75 (CAS 240489-98-9)
- Aprepitant impurity 50 (CAS 349-59-7)
Recommended Standards
- N1-(5-bromopyridin-2-yl)pentane-1,5-diamine (CAS 199522-81-1)
- Hexafluoro-2-(4-methylphenyl)propan-2-ol (CAS 2010-61-9)
- 5,6,7,8-Tetrahydronaphthalene-2-boronic Acid Pinacol Ester (CAS 627526-54-9)
- Rosiglitazone Impurity 3 (CAS 2142519-15-9)
- Teprenone Impurity 29 (CAS CATO-C4X-208129)
- 1-(2-(3-Bromo-5-fluorophenoxy)ethyl)pyrrolidine (CAS 1516187-39-5)
- Ethyl 5-chloro-1,2,4-oxadiazole-3-carboxylate (CAS 1393552-64-1)
- Itraconazole N-Formyl-Ethlene Impurity (CAS 1199350-00-9)
- 3-((1-(Tert-butoxy)-2-methyl-1-oxopropan-2-yl)oxy)benzoic acid (CAS 627097-16-9)
- Semaglutide impurity 29 (CAS 110990-08-4)
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