Methyl 4-{[4-(2,6-difluorobenzoyl)-3-methyl-2-oxo-1,2,3,4-tetrahydroquinoxalin-1-yl]methyl}benzoate CAS 317833-48-0
| CAS No. | 317833-48-0 |
| Molecular Formula | C25H20F2N2O4 |
| Molecular Weight | 450.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures Methyl 4-{[4-(2,6-difluorobenzoyl)-3-methyl-2-oxo-1,2,3,4-tetrahydroquinoxalin-1-yl]methyl}benzoate 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.
Methyl 4-{[4-(2,6-difluorobenzoyl)-3-methyl-2-oxo-1,2,3,4-tetrahydroquinoxalin-1-yl]methyl}benzoate (CAS 317833-48-0) is a high-purity analytical reference standard with the molecular formula C25H20F2N2O4 and a molecular weight of 450.43 g/mol.
Based on its molecular formula C25H20F2N2O4, Methyl 4-{[4-(2,6-difluorobenzoyl)-3-methyl-2-oxo-1,2,3,4-tetrahydroquinoxalin-1-yl]methyl}benzoate contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 450.43 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C25H20F2N2O4 |
| Molecular Weight | 450.43 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Methyl Standards
- 4-(2,6-Difluorobenzoyl)-3-methyl-1-(4-nitrobenzyl)-3,4-dihydroquinoxalin-2(1H)-one (CAS 317833-45-7)
- 4-[(3,4-Difluorobenzoyl)Amino]-5-(3-Methoxypropyl-Pentylamino)-5-Oxopentanoic Acid (CAS 111106-23-1)
- 3-[1-(3,4-Difluorobenzoyl)piperidin-4-yl]-4-[(4-methoxyphenyl)methyl]-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 1775444-57-9)
- 3-[1-(2,5-Difluorobenzoyl)piperidin-4-yl]-4-[(4-methoxyphenyl)methyl]-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 1775544-13-2)
- 3-[1-(2,6-Difluorobenzoyl)piperidin-4-yl]-4-[(4-methoxyphenyl)methyl]-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 1775561-05-1)
- N-((2,6-difluorobenzoyl)oxy)-2,5-bis(2,2,2-trifluoroethoxy)benzamide (CAS 338394-90-4)
- 4-(2,6-Difluorobenzoyl)-1-(3-methoxybenzyl)-3-methyl-3,4-dihydroquinoxalin-2(1H)-one (CAS 317833-52-6)
- 4-(2,6-Difluorobenzoyl)-1-[(4-methoxyphenyl)methyl]-3-methyl-1,2,3,4-tetrahydroquinoxalin-2-one (CAS 317833-54-8)
Recommended Standards
- 5-{bis[(3,4-difluorophenyl)methyl]amino}-1-(4-methylphenyl)-1H-pyrazole-4-carbonitrile (CAS 957040-67-4)
- S-(2-Hydroxy-5-nitrobenzoyl)-6-thioguanosine (CAS 41094-07-9)
- 1,1-[(1,1-Dimethylethyl)[[(1R,2E)-1-ethyl-3-iodo-2-propen-1-yl]oxy]silylene]bis-benzene (CAS 1309610-39-6)
- Tegoprazan Impurity 131 (CAS CATO-C4X-2297131)
- N,2-Dihydroxy-3-nitrobenzamide (CAS 27286-97-1)
- 7-Ethoxy-2-hydroxynaphthalene (CAS 57944-44-2)
- Methyl 4-formyl-1-isopropyl-1H-imidazole-5-carboxylate (CAS 2416993-32-1)
- KN-62 (CAS 127191-97-3)
- Methyl 2-iodonicotinate (CAS 913836-18-7)
- ethyl (2S)-2-fluoro-2-(1-naphthyl)acetate (CAS 2738339-14-3)
- ethyl 2-amino-2-(oxan-3-yl)acetate hydrochloride (CAS 1443979-75-6)
- 4-(Pyrrolidin-1-yl)aniline (CAS 2632-65-7)
- (6-(Difluoromethyl)-5-methylpyridin-3-yl)methanol (CAS 1805310-75-1)
- Semaglutide impurity 258 (CAS CATO-C4X-2226258)
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 18665070610 / Nicole.chen@cato-chem.com