3-(2-Chlorophenyl)-7-hydroxy-8-methyl-2-(trifluoromethyl)-4h-chromen-4-one CAS 328019-92-7
| 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
CATO supplies 3-(2-Chlorophenyl)-7-hydroxy-8-methyl-2-(trifluoromethyl)-4h-chromen-4-one (CAS 328019-92-7), a certified reference material (molecular formula C17H10ClF3O3, MW 354.71 g/mol) for analytical method development and quality control.
Based on its molecular formula C17H10ClF3O3, 3-(2-Chlorophenyl)-7-hydroxy-8-methyl-2-(trifluoromethyl)-4h-chromen-4-one contains a steroid core, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 354.71 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 3-(2-Chlorophenyl)-7-hydroxy-8-methyl-2-(trifluoromethyl)-4h-chromen-4-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
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 |
Related Chlorophenyl Standards
- 5-(4-Chlorophenyl)-2-((1-methyl-5-(trifluoromethyl)-1H-pyrazol-3-yl)oxy)pyrimidine (CAS 477711-83-4)
- 2-(4-Chlorophenyl)-6-(pentafluoro-λ6-sulfanyl)-1H-benzo[d]imidazole (CAS 1379803-56-1)
- (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)
- 4-(4-Chlorophenyl)-1-(3-(trifluoromethyl)phenyl)-1h-imidazole-2-thiol (CAS 885460-81-1)
- methyl 6-(4-chlorophenyl)-1-(2-cyanoethyl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylate (CAS 1018142-62-5)
- 4-((4-((2-Chlorophenyl)(methyl)amino)pyrimidin-2-yl)amino)benzoic acid (CAS 1395918-23-6)
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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)
- 3-{1-[3-chloro-5-(trifluoromethyl)-2-pyridinyl]-1H-pyrrol-2-yl}-2-[(methoxyimino)methyl]acrylonitrile (CAS 339278-24-9)
- 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)
- (E)-4-(2-(2,5-Dioxopyrrolidin-1-yl)ethoxy)-4-oxobut-2-enoic Acid (CAS 2101811-41-8)
- 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)
- 3-Methyl-2-(methylthio)-3H-pyrrolo[2,3-d]pyrimidin-4(7H)-one (CAS 29877-79-0)
- 4-Methoxy-2-nitro-6-(trifluoromethoxy)pyridine-3-sulfonyl chloride (CAS 1806751-00-7)
- Des-Ser32-Tirzepatide (CAS CATO-CPTD788942)
Why CATO?
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