3-Fluoro-a-(2-methyl-1-oxopropyl)-?-oxo-N,ß-diphenyl-benzenebutanamide CAS 1817798-20-1
| CAS No. | 1817798-20-1 |
| Molecular Formula | C26H24FNO3 |
| Molecular Weight | 417.47 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-Fluoro-a-(2-methyl-1-oxopropyl)-?-oxo-N,ß-diphenyl-benzenebutanamide is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-Fluoro-a-(2-methyl-1-oxopropyl)-?-oxo-N,ß-diphenyl-benzenebutanamide (CAS 1817798-20-1) is a certified pharmaceutical impurity reference standard with the molecular formula C26H24FNO3 and a molecular weight of 417.47 g/mol.
Structurally, 3-Fluoro-a-(2-methyl-1-oxopropyl)-?-oxo-N,ß-diphenyl-benzenebutanamide (C26H24FNO3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 417.47 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
CATO manufactures 3-Fluoro-a-(2-methyl-1-oxopropyl)-?-oxo-N,ß-diphenyl-benzenebutanamide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C26H24FNO3 |
| Molecular Weight | 417.47 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- N-[(1S,2S)-2,3-Dihydro-2-[(2-methoxy-6-methylphenyl)thio]-1H-inden-1-yl]-1,1,1-trifluoromethanesulfonamide (CAS 2102520-67-0)
- Orlistat Impurity 34 (CAS 96829-59-3)
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- Venetoclax Impurity 103 (CAS CATO-C4X-2495103)
- Ethyl 2-(chloromethyl)-4-methylquinoline-3-carboxylate (CAS 790263-88-6)
- Tert-butyl 5-oxa-2,9-diazaspiro[3.5]Nonane-2-carboxylate (CAS 2138422-21-4)
- cis-2,6-Dimethylpiperidine (CAS 504-03-0)
- 2,4,6-Trimethyl-5,6,7,8-tetrahydroquinoline (CAS 651733-52-7)
- Ethyl 2-amino-3-(trifluoromethyl)benzoate (CAS 1178318-66-5)
- (±)-Mianserin-d3 Hydrochloride (methyl-d3) (CAS 1219804-97-3)
- Des-Val23-Tirzepatide (CAS CATO-CPTD788950)
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