4,4,5,5-Tetramethyl-2-(4-(1,1,2,2-tetrafluoroethoxy)phenyl)-1,3,2-dioxaborolane CAS 503309-12-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 503309-12-4 |
| Molecular Formula | C14H17BF4O3 |
| Molecular Weight | 320.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,4,5,5-Tetramethyl-2-(4-(1,1,2,2-tetrafluoroethoxy)phenyl)-1,3,2-dioxaborolane (CAS 503309-12-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H17BF4O3. Molecular weight: 320.09 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H17BF4O3 |
| Molecular Weight | 320.09 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| 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.) | 1984 |
| Halogen Content | F-containing |
Related Tetramethyl Standards
- 4,4,5,5-Tetramethyl-2-[3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1-bicyclo[1.1.1]pentanyl]-1,3,2-dioxaborolane (CAS 2195389-90-1)
- 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-3-((trifluoromethyl)thio)pyridin-2-amine (CAS 1637399-41-7)
- 2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-4-((trifluoromethyl)thio)phenol (CAS 2096340-17-7)
- Methyl 2-(7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzo[d][1,3]dioxol-5-yl)acetate (CAS 1150271-68-3)
- 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-7-(trifluoromethyl)-1H-indazole (CAS 1186334-80-4)
- 2-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-1H-benzo[d]imidazole (CAS 1021919-38-9)
- 3-[3-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenoxy]-propionic acid ethyl ester (CAS 1429323-80-7)
- Ethyl 2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenoxy)propanoate (CAS 1887769-37-0)
Recommended Standards
- 2-[5-Fluoro-2-methoxy-4-(trifluoromethyl)phenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2311855-36-2)
- 8-Iodo-1,3,7-trimethyl-1H-purine-2,6(3H,7H)-dione (CAS 5415-41-8)
- 2-(3-Fluoro-4-methoxy-5-(trifluoromethyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2121513-13-9)
- 2-(2-chlorophenoxy)acetaldehyde (CAS 65298-23-9)
- N-(3,5-dimethylphenyl)-2-(p-tolylthio)acetamide (CAS 329079-40-5)
- 2-(hydroxymethyl)cyclobutan-1-one (CAS 23107-52-0)
- N-[(8α,9S)-10,11-Dihydrocinchonan-9-yl]-2-(diphenylphosphino)benzamide (CAS 1263322-13-9)
- 4-chloro-1-(2-ethylbutyl)-1H-pyrazolo[3,4-d]pyrimidine (CAS 2172570-47-5)
- 4-Chloro-3-methoxy-1,2-thiazole-5-carbaldehyde (CAS 2089257-62-3)
- ((Cys31,Nva34)-Neuropeptide Y (27-36))2 (CAS 172997-92-1)
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