1-(3-Methoxybenzyl)-3-methyl-4-(3-(trifluoromethyl)benzoyl)-3,4-dihydroquinoxalin-2(1H)-one CAS 317833-51-5
| CAS No. | 317833-51-5 |
| Molecular Formula | C25H21F3N2O3 |
| Molecular Weight | 454.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1-(3-Methoxybenzyl)-3-methyl-4-(3-(trifluoromethyl)benzoyl)-3,4-dihydroquinoxalin-2(1H)-one 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.
1-(3-Methoxybenzyl)-3-methyl-4-(3-(trifluoromethyl)benzoyl)-3,4-dihydroquinoxalin-2(1H)-one (CAS 317833-51-5), molecular formula C25H21F3N2O3 and molecular weight 454.44 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-(3-Methoxybenzyl)-3-methyl-4-(3-(trifluoromethyl)benzoyl)-3,4-dihydroquinoxalin-2(1H)-one (C25H21F3N2O3) 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 454.44 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 analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1-(3-Methoxybenzyl)-3-methyl-4-(3-(trifluoromethyl)benzoyl)-3,4-dihydroquinoxalin-2(1H)-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C25H21F3N2O3 |
| Molecular Weight | 454.44 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Methoxybenzyl Standards
- 6-(Bis(4-methoxybenzyl)amino)-3-bromo-4-methylpicolinaldehyde (CAS 2812580-22-4)
- N-(4-methoxybenzyl)-2-((3-methyl-4-oxo-7-phenyl-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide (CAS 1040631-96-6)
- 5-(3-Methoxybenzyl)-7-(morpholinosulfonyl)-1,2,3,3a-tetrahydropyrrolo[1,2-a]quinoxalin-4(5H)-one (CAS 1033583-30-0)
- 3-(Bis(4-methoxybenzyl)amino)-6-bromo-2-fluorobenzaldehyde (CAS 2812579-86-3)
- Ethyl 2-(2-((4-methoxybenzyl)thio)-4,5-diphenyl-1H-imidazol-1-yl)acetate (CAS 339277-71-3)
- 4-Methoxybenzyl 2-(acetoxymethyl)-5-(((tert-butyldimethylsilyl)oxy)methyl)benzoate (CAS 452978-24-4)
- N-(4-methoxybenzyl)-2-((6-oxo-1-phenyl-4-(trifluoromethyl)-1,6-dihydropyrimidin-2-yl)thio)acetamide (CAS 866049-83-4)
- 4-Ethyl-3-((3-methoxybenzyl)thio)-5-(1-phenyl-5-(trifluoromethyl)-1H-pyrazol-4-yl)-4H-1,2,4-triazole (CAS 957014-60-7)
Recommended Standards
- (E)-Methoxy({2,2,2-trifluoro-1-[1-(4-fluorophenyl)-5-(4-methanesulfonylphenyl)-2-methyl-1H-pyrrol-3-yl]ethylidene})amine (CAS 477859-36-2)
- 1,4-Bis(2-(benzo[d][1,3]dioxol-5-ylmethylene)hydrazinyl)phthalazine (CAS 27704-20-7)
- 2,7-Bis(3,5-dimethyl-1H-pyrazol-4-yl)benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetraone (CAS 1521159-33-0)
- (+/-)Amethopterin (CAS 60388-53-6)
- 10-(4-Fluorobenzyl)-7-methyl-2-nitrodibenzo[b,f][1,4]oxazepin-11(10H)-one (CAS 866156-37-8)
- 5-(3-Methoxyphenyl)-1H-imidazol-2-amine (CAS 933722-31-7)
- 5-Fluoropyrrolo[1,2-b]pyridazin-4(1H)-one (CAS 2306274-82-6)
- (Z)-3-(2-methoxyphenyl)-2-[4-(1H-pyrrol-1-yl)phenyl]-2-propenenitrile (CAS 866019-96-7)
- 1-(6-Bromo-3-fluoro-2-pyridyl)ethanone (CAS 1016228-01-5)
- 1-(1-Chloro-2,2-difluoroethyl)benzene (CAS 345-62-0)
- 1-(2-Hydroxyethyl)-3-(2-methoxyphenyl)urea (CAS 15145-33-2)
- 5,9,14,18,23,27,32,36-octabutoxy-2,3-naphthalocyanine (CAS 105528-25-4)
- 2-((1-Methyl-1H-tetrazol-5-yl)thio)-1-(4-((6-methylpyridin-2-yl)oxy)piperidin-1-yl)ethan-1-one (CAS 1797536-99-2)
- Insulin Degludec Impurity 25 (CAS CATO-C4X-215725)
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