Fosaprepitant Impurity 48 CAS 1707-92-2
Purity >90%In StockPharmacopoeial Impurity Standards
| CAS No. | 1707-92-2 |
| Molecular Formula | C21H21O4P |
| Molecular Weight | 368.36 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Fosaprepitant Impurity 48 (CAS 1707-92-2) pharmacopoeial impurity standards reference standard. Molecular formula: C21H21O4P. Molecular weight: 368.36 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C21H21O4P |
| Molecular Weight | 368.36 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >90% |
| Storage | Store at 2-8°C, 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 |
| Degree of Unsaturation (DBE) | 11.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Fosaprepitant Standards
- Fosaprepitant Impurity 30 (CAS 327623-37-0)
- Fosaprepitant Impurity 16 (CAS 327623-34-7)
- Fosaprepitant Impurity 49（Racemate） (CAS CATO-C4X-116849)
- Fosaprepitant Impurity 59 (CAS CATO-C4X-116859)
- Fosaprepitant Impurity 874 (CAS 538-37-4)
- Fosaprepitant Impurity 37 (CAS CATO-C4X-116837)
- Fosaprepitant Impurity 53 (CAS 1254261-32-9)
- Fosaprepitant Impurity 41 (CAS 287930-73-8)
Recommended Standards
- Regorafenib Impurity 19 (CAS 2098799-12-1)
- 4-Isopropylphenyl Diphenyl Phosphate (CAS 55864-04-5)
- 1,3,6-naphthalenetrisulfonic acid 86-66-8 CHEBI:32916 naphthalene-1,3,6-trisulfonic acid naphthalene-1,3,6-trisulphonic acid (CAS 86-66-8)
- Celecoxib Impurity 49 (CAS 720-94-5)
- Pivmecillinam Impurity 10 (CAS CATO-C4X-232310)
- 4-Ethyl-2-methoxypyridine (CAS 98593-17-0)
- 3-methyl-5-phenylcyclohexan-1-one (CAS 60741-75-5)
- 1-(1-((2-(Trimethylsilyl)ethoxy)methyl)-1H-imidazol-4-yl)cyclopropan-1-amine (CAS 1159734-02-7)
- 2-Bromo-5-(pyrrolidine-1-sulfonyl)benzoic acid (CAS 22361-65-5)
- Cycloaspeptide D (CAS 691363-62-9)
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