Fosaprepitant Impurity 16 CAS 327623-34-7
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 327623-34-7 |
| Molecular Formula | C21H19F6NO3 |
| Molecular Weight | 447.37 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Fosaprepitant Impurity 16 (CAS 327623-34-7) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C21H19F6NO3. Molecular weight: 447.37 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
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 | 97%+ |
| 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 Fosaprepitant Standards
- Fosaprepitant Impurity 49（Racemate） (CAS CATO-C4X-116849)
- Fosaprepitant Impurity 59 (CAS CATO-C4X-116859)
- Fosaprepitant Impurity 30 (CAS 327623-37-0)
- Fosaprepitant Impurity 37 (CAS CATO-C4X-116837)
- Fosaprepitant Impurity 48 (CAS 1707-92-2)
- Fosaprepitant Impurity 53 (CAS 1254261-32-9)
- Fosaprepitant Impurity 38 (CAS 990-91-0)
- Fosaprepitant Impurity 7 (CAS CATO-C4X-11687)
Recommended Standards
- Aprepitant Impurity 78 (CAS CATO-C4X-114178)
- Aprepitant Impurity 77 (CAS CATO-C4X-114177)
- Aprepitant Impurity 26 (CAS CATO-C4X-114126)
- Olaparib Impurity 95 (CAS CATO-C4X-113595)
- Clopidogrel EP Impurity B HCl (CAS 1396607-35-4)
- 2-Phenyl-4h-furo[3,2-b]pyrrole-5-carboxylic acid (CAS 86345-44-0)
- 2-((2,6-Dimethylquinolin-4-yl)thio)acetic acid (CAS 951625-90-4)
- Methyl 4-{[6-(4-chlorophenyl)-2-oxo-1,2-dihydropyridin-1-yl]methyl}benzoate (CAS 866048-89-7)
- 3-Methyl-1-(1,4,5,6-tetrahydropyrimidin-2-yl)-4,5-dihydro-1H-pyrazol-5-one (CAS 338402-58-7)
- Peptide-GMF (CAS CATO-CPTD788469)
Why CATO?
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