(E)-4-{2-[3-(Trifluoromethyl)phenoxy]phenyl}-3-buten-2-one CAS 478043-83-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 478043-83-3 |
| Molecular Formula | C17H13F3O2 |
| Molecular Weight | 306.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (E)-4-{2-[3-(Trifluoromethyl)phenoxy]phenyl}-3-buten-2-one (CAS 478043-83-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C17H13F3O2. Molecular weight: 306.28 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C17H13F3O2 |
| Molecular Weight | 306.28 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 |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
Related E Standards
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Recommended Standards
- (5-((4-Fluorophenyl)thio)-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)methanol (CAS 318239-65-5)
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- 2,3-Dihydro-5-Phenyl-7-(Trifluoromethoxy)-1H-1,4-Benzodiazepine (CAS 19337-66-7)
- (3-(Thiophen-2-yl)-1,2,4-oxadiazol-5-yl)methyl 2-(methylthio)nicotinate (CAS 924179-93-1)
- N-cycloheptyl-4-(2-ethylbutanoyl)-1H-pyrrole-2-carboxamide (CAS 439096-45-4)
- Methyl 7-methyl-1-oxo-1h-isochromene-3-carboxylate (CAS 951896-46-1)
- (3AR,4R,9S,9aS,9bR)-9-(methoxymethoxy)-2,2-dimethyloctahydro[1,3]dioxolo[4,5-g]indolizin-4-ol (CAS 160727-35-5)
- Penehyclidine impurity 14 HCI (CAS CATO-C4X-130414)
- 2-Methyl-2H-isoindole-1-carbaldehyde (CAS 34463-54-2)
- Insulin Degludec impurity 4 (CAS CATO-C4X-21574)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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