1-Ethoxy-2,3-difluoro-4-((4-pentylphenyl)ethynyl)benzene CAS 123560-56-5
| CAS No. | 123560-56-5 |
| Molecular Formula | C21H22F2O |
| Molecular Weight | 328.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1-Ethoxy-2,3-difluoro-4-((4-pentylphenyl)ethynyl)benzene (CAS 123560-56-5), a certified reference material (molecular formula C21H22F2O, MW 328.40 g/mol) for analytical method development and quality control.
Based on its molecular formula C21H22F2O, 1-Ethoxy-2,3-difluoro-4-((4-pentylphenyl)ethynyl)benzene contains a steroid core, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 328.40 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 1-Ethoxy-2,3-difluoro-4-((4-pentylphenyl)ethynyl)benzene 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 | C21H22F2O |
| Molecular Weight | 328.40 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 |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | F-containing |
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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