3-(4-Chloro-3-methylphenoxy)-7-hydroxy-2-(trifluoromethyl)-4H-chromen-4-one CAS 691366-79-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 691366-79-7 |
| Molecular Formula | C17H10ClF3O4 |
| Molecular Weight | 370.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(4-Chloro-3-methylphenoxy)-7-hydroxy-2-(trifluoromethyl)-4H-chromen-4-one (CAS 691366-79-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H10ClF3O4. Molecular weight: 370.71 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C17H10ClF3O4 |
| Molecular Weight | 370.71 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F/Cl-containing |
Related Chloro Standards
- 3-(5-Chloro-2-hydroxybenzyl)-5-(4-(trifluoromethyl)-phenyl)-1,3,4-oxadiazol-2(3H)-one (CAS 202821-81-6)
- 4-Chloro-N-hydroxy-N-{[4-methyl-5-(trifluoromethyl)-4H-1,2,4-triazol-3-yl]methyl}benzenesulfonamide (CAS 400081-53-0)
- N-(3-Chloro-7-nitro-9-oxo-9H-fluoren-2-yl)-2,2,2-trifluoroacetamide (CAS 4083-50-5)
- (4S)-6-Chloro-3,4-dihydro-4-hydroxy-3-[(1R)-1-phenylethyl]-4-(trifluoromethyl)-2(1H)quinazolinone (CAS 247565-03-3)
- 1-(3-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)oxy)phenyl)-3,3-dimethylazetidin-2-one (CAS 339100-38-8)
- 1-(3-{[3-Chloro-5-(trifluoromethyl)-2-pyridinyl]oxy}phenyl)-3-(dimethylamino)-2-propen-1-one (CAS 339023-71-1)
- 1-(4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}phenyl)-3,3-dimethylazetidin-2-one (CAS 341965-76-2)
- 2-Chloro-5-nitro-N-(4-(pyrazin-2-yloxy)phenyl)benzamide (CAS 647853-09-6)
Recommended Standards
- 2-Amino-3-[(E)-{[5-chloro-2-(prop-2-yn-1-yloxy)phenyl]methylidene}amino]-6-(trifluoromethyl)-3,4-dihydropyrimidin-4-one (CAS 866149-03-3)
- N-{2-[(4-bromophenyl)sulfanyl]ethyl}-2-chlorobenzamide (CAS 338956-06-2)
- 4-Amino-2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl](methyl)amino}-2,3-dihydro-1H-isoindole-1,3-dione (CAS 339278-06-7)
- 5-{2-azabicyclo[2.2.1]heptan-2-yl}-2-methylaniline (CAS 1340189-20-9)
- (4AS,4bR,8S,10aR,10bS,12aS)-10a,12a-dimethyl-1,2,3,4,4a,4b,5,7,8,9,10,10a,10b,11,12,12a-hexadecahydronaphtho[2,1-f]quinolin-8-ol (CAS 6961-52-0)
- methyl 5-bromo-2-hydroxy-3-iodobenZenecarboxylate (CAS 18071-51-7)
- 1-[4-(Dihydroxyboranyl)-3-fluorophenyl]cyclopropane-1-carboxylic acid (CAS 1628507-87-8)
- all-trans Retinal-d5 (CAS 1217234-58-6)
- 3-[(5-chloro-1,2,3-thiadiazol-4-yl)methyl]-5,5-dimethylimidazolidine-2,4-dione (CAS 1157111-08-4)
- Peptide Impurity 12 (CAS CATO-CPTD788812)
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