5-(tert-Butoxycarbonyl)-4-chloro-2-fluorophenylboronic Acid Pinacol Ester CAS 1218789-89-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1218789-89-9 |
| Molecular Formula | C17H23BClFO4 |
| Molecular Weight | 356.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(tert-Butoxycarbonyl)-4-chloro-2-fluorophenylboronic Acid Pinacol Ester (CAS 1218789-89-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H23BClFO4. Molecular weight: 356.62 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C17H23BClFO4 |
| Molecular Weight | 356.62 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F/Cl-containing |
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Recommended Standards
- (2S,4E,6R,8S)-8-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-2,4,6-trimethyl-4-nonenoic Acid Ethyl Ester (CAS 119433-08-8)
- Tert-butyl 2-chloro-5-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate (CAS 1218790-25-0)
- N-(5-bromo-2-chloropyridin-3-yl)morpholine-4-sulfonamide (CAS 1162680-93-4)
- 5,6-Dihydro-1,4-dioxine-2-carboxylic acid (CAS 61564-98-5)
- 1,1,1-Trifluoro-3-phenylbutan-2-ol (CAS 167907-23-5)
- 2-(2,5-Diisopropylthiophen-3-yl)acetic acid (CAS 1513957-87-3)
- 4-(1-Imidazolyl)butanoic Acid (CAS 72338-58-0)
- 3-(Pyrrolidin-2-yl)benzonitrile hydrochloride (CAS 1203683-21-9)
- n-((4-Methylpyrimidin-2-yl)methyl)propan-2-amine (CAS 1342362-72-4)
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