3-(2-Chlorophenyl)-7-hydroxy-8-methyl-2-(trifluoromethyl)-4h-chromen-4-one CAS 328019-92-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 328019-92-7 |
| Molecular Formula | C17H10ClF3O3 |
| Molecular Weight | 354.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(2-Chlorophenyl)-7-hydroxy-8-methyl-2-(trifluoromethyl)-4h-chromen-4-one (CAS 328019-92-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H10ClF3O3. Molecular weight: 354.71 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C17H10ClF3O3 |
| Molecular Weight | 354.71 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.) | 2025 |
| Halogen Content | F/Cl-containing |
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- (5-((4-Chlorophenyl)sulfonyl)-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)methanol (CAS 318469-34-0)
- (4-Chlorophenyl)(3-(pyrrolidin-1-yl)-5-(trifluoromethyl)pyridin-2-yl)methanone (CAS 338959-79-8)
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Recommended Standards
- 2-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-5-methyl-4-phenyl-2,4-dihydro-3H-1,2,4-triazol-3-one (CAS 860789-81-7)
- 3-(4-Chloro-2-fluoro-5-mercaptophenyl)-1-methyl-6-(trifluoromethyl)pyrimidine-2,4(1H,3H)-dione (CAS 353292-92-9)
- 2-(1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-1H-indol-3-yl)acetic acid (CAS 339099-14-8)
- 1-(7-Methylbenzo[e][1,2,4]triazin-1(2H)-yl)ethanone (CAS 686701-11-1)
- 1-(5-Fluoro-2,4-Dinitrophenyl)-4-Methylpiperazine (CAS 928830-73-3)
- ARA290 Cibinetide TFA salt (CAS 1208243-50-8(Free Base))
- 4-Chlorobenzo[d]thiazol-2-amine hydrochloride (CAS 63330-57-4)
- Bis(2-ethoxyethyl) Phthalate (CAS 605-54-9)
- 4-(Piperazin-1-yl)-2,3-dihydro-1H-1,3-benzodiazol-2-one (CAS 282547-66-4)
- Des-Ser32-Tirzepatide (CAS CATO-CPTD788942)
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