2-(3-Ethoxy-2-fluorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane CAS 1509931-76-3
| CAS No. | 1509931-76-3 |
| Molecular Formula | C14H20BFO3 |
| Molecular Weight | 266.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-(3-Ethoxy-2-fluorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1509931-76-3) is a high-purity analytical reference standard with the molecular formula C14H20BFO3 and a molecular weight of 266.12 g/mol.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system, 2-(3-Ethoxy-2-fluorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 266.12 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), 2-(3-Ethoxy-2-fluorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C14H20BFO3 |
| Molecular Weight | 266.12 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | F-containing |
Related Ethoxy Standards
- 2-(4-Ethoxy-3-fluorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1147106-23-7)
- 2-(3-Ethoxy-5-fluorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1416367-03-7)
- 2-(3-Ethoxy-4-fluorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1688673-02-0)
- 2-(2-Ethoxy-4-fluorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1688702-57-9)
- 2-(2-Ethoxy-6-fluorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1689470-54-9)
- 2-(2-Ethoxy-3-fluorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2246767-21-3)
- 2-(5-Ethoxy-2-fluorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2121512-83-0)
- 1-Ethoxy-2-fluoro-4-iodobenzene (CAS 1208075-88-0)
Recommended Standards
- 2-[2-Fluoro-5-(methoxymethyl)phenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1445601-74-0)
- 3-Fluoro-N,N-dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-amine (CAS 1550370-68-7)
- (1,3-Phenylenebis(methylene))diphosphonic acid (CAS 144052-40-4)
- 2-(Iodomethyl)octahydrobenzofuran (CAS 1643386-07-5)
- 4-(4-Piperazin-2-yl-phenyl)morpholine (CAS 864685-27-8)
- 3-(Difluoromethyl)-2-iodoaniline (CAS 1261454-56-1)
- N-(3-Cyclopropyl-3-hydroxypropyl)-2,6-difluorobenzenesulfonamide (CAS 1396687-36-7)
- Methyl 2-(4-bromo-2-cyano-5-methoxyphenyl)acetate (CAS 1805487-08-4)
- Meropenem (CAS 96036-03-2)
- 4,5-Dihydro-1H-imidazol-2-amine hydroiodide (CAS 65767-07-9)
- 1-Bromo-4,5-dichloro-2-nitrobenzene (CAS 93361-94-5)
- 6-Bromo-3-methyl-2-nitroaniline (CAS 859791-84-7)
- 5-Phenyl-7-(p-tolyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 118757-36-1)
- Neuropeptide EI (human, mouse, rat) (CAS 125934-45-4)
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