(3E)-3-[(3-Fluorophenyl)methylidene]-3,4-dihydro-2H-1-benzopyran-4-one CAS 207442-39-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 207442-39-5 |
| Molecular Formula | C16H11FO2 |
| Molecular Weight | 254.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (3E)-3-[(3-Fluorophenyl)methylidene]-3,4-dihydro-2H-1-benzopyran-4-one (CAS 207442-39-5), 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.) | 2016 |
| Halogen Content | F-containing |
Related E Standards
- 4-(3-Fluorophenyl)-7-methyl-2H-chromen-2-one (CAS 1044277-06-6)
- 2-(3-(4-Fluorophenyl)-1H-1,2,4-triazol-5-yl)aniline (CAS 104615-61-4)
- 2-(3-Fluorophenyl)-8-methylimidazo[1,2-a]pyridine-3-carbaldehyde (CAS 1048917-19-6)
- 2-(3-Fluorophenyl)-7-methylimidazo[1,2-a]pyridine-3-carbaldehyde (CAS 1048917-29-8)
- 2-(3-Fluorophenyl)-6-methylimidazo[1,2-a]pyridine-3-carbaldehyde (CAS 1048917-44-7)
- 4-(4-Fluorophenyl)-3-phenylisoxazol-5-amine (CAS 1092286-97-9)
- 3-(4-fluorophenyl)-4-phenyl-1,2-oxazol-5-amine (CAS 1092288-09-9)
- 1-(4-Fluorophenyl)-3-phenyl-1H-pyrazol-4-ol (CAS 1202029-28-4)
Recommended Standards
- (3AR,8aS)-2-(5-fluoropyridin-2-yl)-3a,8a-dihydro-8H-indeno[1,2-d]oxazole (CAS 2757083-57-9)
- (3-Phenyl-allyl)-phosphonicaciddiethylester (CAS 58922-31-9)
- (2E)-3-(4-Fluorophenyl)-2-[(E)-1-methyl-1H-pyrrole-2-carbonyl]prop-2-enenitrile (CAS 900019-53-6)
- 3,4-Dichloro-5-oxo-2,5-dihydrofuran-2-yl methyl carbonate (CAS 67551-18-2)
- 3-(Hydroxymethyl)-5-methylphenylboronic Acid (CAS 1451391-46-0)
- 6-(3-Hydroxypropyl)benzo[c][1,2]oxaborol-1(3H)-ol (CAS 1268390-57-3)
- Relcovaptan Impurity 1 (CAS 140916-61-6)
- n-Benzyl-6-methylpyridazin-3-amine (CAS 100193-48-4)
- 5-Bromo-8-(dibromomethyl)-7-fluoroquinoline (CAS 2181779-97-3)
- Insulin Degludec Impurity 19 (CAS CATO-C4X-215719)
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