2,3,6,7-Tetrahydro-9-(trifluoromethyl)-1H,5H,11H-[1]benzopyrano(6,7,8-ij)quinolizin-11-one 2,3,6,7-Tetrahydro-9-trifluoromethyl-1H,5H-quinolizino(9,1-gh)coumarin 53518-18-6 8-Trifluoromethyl-2,3,5,6-4H-1,H-11-oxa-3a-aza-benzo[de]anthracen-10-one 9-(trifluoromethyl)-2,3,6,7-tetrahydro-1H-pyrano[2,3-f]pyrido[3,2,1-ij]quinolin-11(5H)-one Coumarin 153 Coumarin 540A CAS 53518-18-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 53518-18-6 |
| Molecular Formula | C16H20F3NO2 |
| Molecular Weight | 315.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 2,3,6,7-Tetrahydro-9-(trifluoromethyl)-1H,5H,11H-[1]benzopyrano(6,7,8-ij)quinolizin-11-one 2,3,6,7-Tetrahydro-9-trifluoromethyl-1H,5H-quinolizino(9,1-gh)coumarin 53518-18-6 8-Trifluoromethyl-2,3,5,6-4H-1,H-11-oxa-3a-aza-benzo[de]anthracen-10-one 9-(trifluoromethyl)-2,3,6,7-tetrahydro-1H-pyrano[2,3-f]pyrido[3,2,1-ij]quinolin-11(5H)-one Coumarin 153 Coumarin 540A (CAS 53518-18-6) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C16H20F3NO2. Molecular weight: 315.33 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C16H20F3NO2 |
| Molecular Weight | 315.33 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Tetrahydro Standards
- 4-(Methyl(tetrahydro-2H-pyran-4-yl)amino)-3-nitrobenzenesulfonamide (CAS 1956377-59-5)
- (2,3,4,9-Tetrahydro-1H-pyrido[3,4-b]indole-2-carbonyl)-L-valine (CAS 1014100-68-5)
- Benzyl (1-((tetrahydro-2H-pyran-4-yl)methyl)-1H-pyrazol-4-yl)carbamate (CAS 1706081-12-0)
- 1,2,3,4-Tetrahydro-1-[(4-methylphenyl)sulfonyl]-5H-1-benzazepin-5-one (CAS 24310-36-9)
- 1,2,3,4-Tetrahydro-3,3-dimethyl-2-[(4-methylphenyl)sulfonyl]isoquinoline (CAS 200631-40-9)
- 2,3,4,9-Tetrahydro-3,9,9-trimethyl-6-pentyl-1H-xanthen-8-ol (CAS 18110-59-3)
- (2S)-2-((tetrahydro-2H-pyran-2-yl)oxy)propyl 4-methylbenzenesulfonate (CAS 42274-61-3)
- 3-(3-(2-((Tetrahydro-2H-pyran-2-yl)oxy)ethyl)ureido)thiophene-2-carboxylic acid (CAS 1265892-01-0)
Recommended Standards
- N-[3-(Quinoxalin-2-yl)phenyl]furan-2-carboxamide (CAS 832679-46-6)
- Abacavir Impurity 13 (CAS CATO-C4X-152713)
- N-[(1S,2S)-2-(Dimethylamino)cyclohexyl]-5-(trifluoromethyl)-2-pyridinecarboxamide (CAS 2798826-79-4)
- (3R)-L-Valinic acid hydrochloride (CAS 1045816-99-6)
- (2-Amino-3-(difluoromethyl)-6-methylpyridin-4-yl)methanol (CAS 1803688-15-4)
- rac (Bromoacetamidomethyl)ethylenediaminetetraacetic Acid (CAS 84256-91-7)
- 6-Amino-2-isopropyl-1,2-dihydro-3H-pyrazolo[3,4-b]pyridin-3-one (CAS 2878503-56-9)
- 5-((4-Hydroxyphenyl)imino)furan-2(5H)-one (CAS 81632-88-4)
- Zolmitriptan Impurity 27 (CAS CATO-C4X-135127)
- Peptide 431 (CAS CATO-CPTD788431)
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 13829788188 / jacky.chen@cato-chem.com