(E)-3-(4-Fluorobenzylidene)chroman-4-one CAS 948307-89-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 948307-89-9 |
| Molecular Formula | C16H11FO2 |
| Molecular Weight | 254.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (E)-3-(4-Fluorobenzylidene)chroman-4-one (CAS 948307-89-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C16H11FO2. Molecular weight: 254.26 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C16H11FO2 |
| Molecular Weight | 254.26 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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.) | 1987 |
| Halogen Content | F-containing |
Related E Standards
- 3-(4-Fluorobenzylidene)chroman-4-one (CAS 193406-85-8)
- (E)-2-(4-Fluorobenzylidene)-5-methylbenzofuran-3(2H)-one (CAS 61976-55-4)
- 1000574-44-6 2-(4-Fluorobenzylidene)-5-(methylthio)thiophen-3(2H)-one MFCD09877823 (CAS 1000574-44-6)
- (Z)-2-(3-fluorobenzylidene)-6-hydroxybenzofuran-3(2h)-one (CAS 1353119-32-0)
- 139311-84-5 (2Z)-2-(4-Fluorobenzylidene)-6-hydroxy-1-benzofuran-3(2H)-one MFCD04065085 (CAS 139311-84-5)
- (2Z)-2-(3-Fluorobenzylidene)-6-hydroxy-1-benzofuran-3(2H)-one (CAS 620545-88-2)
- 2-(4-Fluorobenzylidene)-6-hydroxybenzofuran-3(2H)-one (CAS 61429-79-6)
- (Z)-2-(2-fluorobenzylidene)-6-hydroxybenzofuran-3(2H)-one 637753-50-5 F3139-1873 (CAS 637753-50-5)
Recommended Standards
- (S)-2-Amino-5-oxo-5-((2-sulfoethyl)amino)pentanoic acid (CAS 56488-60-9)
- (4R)-2-(4-Nitrophenyl)-1,3-thiazolidine-4-carboxylic acid (CAS 218944-01-5)
- (Z)-1,4-dimethoxy-1,4-dioxo-3-(pyridazin-1-ium-1-yl)but-2-ene-2-thiolate (CAS 2477647-56-4)
- 5-Cyclohexyl-1,3,4-thiadiazol-2-amine (CAS 56882-77-0)
- (E)-[(2,4-Dichlorophenyl)methoxy](1-{2-[4-(propan-2-yl)phenyl]cyclopropyl}ethylidene)amine (CAS 338392-35-1)
- exo-(1R,5S,6S)-3-benzyl-3-azabicyclo[3.1.1]heptan-6-amine (CAS 2068138-12-3)
- 3-Bromo-5-(trifluoromethoxy)pyridin-2-ol (CAS 1361837-97-9)
- Cephapirin Benzathine (CAS 97468-37-6)
- 3-Methyl-4-nitropyridine <I>N</I>-oxide (CAS 1074-98-2)
- Insulin Degludec Impurity 25 (CAS CATO-C4X-215725)
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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