3-Ethyl-7-fluoro-3-methyl-3,4-dihydro-2H-[1,3'-biquinolin]-2-one CAS 918646-06-7
| CAS No. | 918646-06-7 |
| Molecular Formula | C21H19FN2O |
| Molecular Weight | 334.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Ethyl-7-fluoro-3-methyl-3,4-dihydro-2H-[1,3'-biquinolin]-2-one (C21H19FN2O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
3-Ethyl-7-fluoro-3-methyl-3,4-dihydro-2H-[1,3'-biquinolin]-2-one (CAS 918646-06-7), molecular formula C21H19FN2O and molecular weight 334.39 g/mol, is a CATO reference standard with documented purity and traceability.
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), 3-Ethyl-7-fluoro-3-methyl-3,4-dihydro-2H-[1,3'-biquinolin]-2-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 | C21H19FN2O |
| Molecular Weight | 334.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
- 7-((2-Fluoro-4-(methylthio)phenyl)amino)benzo[d]isothiazole-6-carboxylic acid (CAS 1203662-88-7)
- 3-Ethyl-5-fluoro-3-methyl-3,4-dihydro-2H-[1,3'-biquinolin]-2-one (CAS 918645-85-9)
- 3-Ethyl-6-fluoro-3-methyl-3,4-dihydro-2H-[1,3'-biquinolin]-2-one (CAS 918645-97-3)
- 5-Fluoro-3,4,4-trimethyl-3,4-dihydro-2H-[1,3'-biquinolin]-2-one (CAS 918645-93-9)
- 6-Fluoro-3,4,4-trimethyl-3,4-dihydro-2H-[1,3'-biquinolin]-2-one (CAS 918646-02-3)
- 7-Fluoro-3,4,4-trimethyl-3,4-dihydro-2H-[1,3'-biquinolin]-2-one (CAS 918646-11-4)
- 8-Fluoro-3,4,4-trimethyl-3,4-dihydro-2H-[1,3'-biquinolin]-2-one (CAS 918646-14-7)
- 1-[(2-Fluoro-4-phenylsulfonyl)phenyl]-homopiperazine (CAS 1020722-23-9)
Recommended Standards
- 3-Methoxy-N-(naphtho[1,2-d]thiazol-2-yl)benzamide (CAS 325988-66-7)
- 4-((4-Butoxyphenyl)diazenyl)benzenesulfonic acid (CAS 2241054-05-5)
- 3-(2-(Prop-2-yn-1-ylthio)pyrimidin-4-yl)-1-(p-tolyl)pyridazin-4(1H)-one (CAS 478077-71-3)
- 4-(3-Oxo-3-phenyl-1-propenyl)phenyl 2-thiophenecarboxylate (CAS 331459-76-8)
- Tert-butyl (S)-4-(6-aminopyridin-3-yl)-3-methylpiperazine-1-carboxylate (CAS 1433849-58-1)
- BMS-687453, 99%, a potent and selective PPARα agonist (CAS 1000998-59-3)
- (6-(Piperidin-4-yl)pyridin-2-yl)methanol dihydrochloride (CAS 2244088-81-9)
- (R)-3-(3-(Trifluoromethyl)phenyl)piperazin-2-one (CAS 1228570-50-0)
- 2-(6-Bromo-1-ethyl-1h-indol-3-yl)ethan-1-amine (CAS 1334147-45-3)
- Bisoprolol-d7 Hemifumarate (CAS 1310012-16-8)
- naphtho[2,3-b]benzofuran-2-ylboronic acid (CAS 1627917-17-2)
- 5-Chloro-N-propylimidazo[1,2-a]pyrimidin-7-amine (CAS 89099-80-9)
- Bis[4-[(p-nitrophenyl)imino]-2-pentanonato]copper (CAS 75514-99-7)
- Semaglutide Impurity 142 (CAS CATO-C4X-2226142)
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