Fosnetupitant CAS 1703748-89-3
| CAS No. | 1703748-89-3 |
| Molecular Formula | C31H35F6N4O5P |
| Molecular Weight | 688.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The molecular framework of Fosnetupitant (C31H35F6N4O5P) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a phosphate ester group, a hydroxyl group, an ether linkage, fluorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Fosnetupitant (CAS 1703748-89-3) is a high-purity analytical reference standard with the molecular formula C31H35F6N4O5P and a molecular weight of 688.60 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C31H35F6N4O5P |
| Molecular Weight | 688.60 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) | 13.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |
Recommended Standards
- 5,5',5'',5'''-Silanetetrayltetraisophthalic acid (CAS 1412999-57-5)
- Depressin (CAS 176182-06-2)
- (S)-4-((3,6-bis(3,5-bis(trifluoromethyl)phenyl)-9H-carbazol-9-yl)methyl)-2-methyl-4,5-dihydrooxazole (CAS 2357080-05-6)
- Elagolix Impurity 64 (CAS CATO-C4X-206864)
- Isopropyl 2'-formyl-[1,1'-biphenyl]-4-carboxylate (CAS 728919-06-0)
- n-((1,2,3-Thiadiazol-4-yl)methyl)-3-ethoxypropan-1-amine (CAS 1157056-71-7)
- Methyl-3-keto-5β-cholan-24-oate (CAS 1173-32-6)
- 3-Fluoro-4-(hydroxymethyl)phenylboronic Acid Pinacol Ester (CAS 1082066-29-2)
- (2R,3R,5S)-2-(6-Amino-2-fluoro-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3-ol (CAS 15386-69-3)
- 89972-77-0 4'-(4-Methylphenyl)-2,2'-6',2''-terpyridine 2,2':6',2''-Terpyridine, 4'-(4-Methylphenyl)- SS-701 4'-(4-Methylphenyl)-2,2':6',2''-terpyridine 4'-(4-Tolyl)-2,2':6',2''-terpyridine 4'-(p-Tolyl)-2,2':6',2''-terpyridine (CAS 89972-77-0)
- 4-Methanesulfonamidobutanoic acid (CAS 887842-00-4)
- 5-Amino-2-bromo-4-chlorobenzoic acid (CAS 1208077-55-7)
- Eltrombopag Impurity 116 (CAS CATO-C4X-1198116)
- Semaglutide Impurity 155 (x TFA Salt) (CAS CATO-C4X-2226155)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com