3,5-Difluoro-4-methoxyphenylboronic Acid Pinacol Ester CAS 890839-37-9
| CAS No. | 890839-37-9 |
| Molecular Formula | C13H17BF2O3 |
| Molecular Weight | 270.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 3,5-Difluoro-4-methoxyphenylboronic Acid Pinacol Ester 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.
CATO supplies 3,5-Difluoro-4-methoxyphenylboronic Acid Pinacol Ester (CAS 890839-37-9), a certified reference material (molecular formula C13H17BF2O3, MW 270.08 g/mol) for analytical method development and quality control.
Based on its molecular formula C13H17BF2O3, 3,5-Difluoro-4-methoxyphenylboronic Acid Pinacol Ester contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 270.08 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C13H17BF2O3 |
| Molecular Weight | 270.08 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, 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.) | 1987 |
| Halogen Content | F-containing |
Related Difluoro Standards
- 2-(3,5-Difluoro-2-methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1073354-50-3)
- 2-(2,6-Difluoro-4-methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1111096-19-5)
- 2-(2,4-Difluoro-5-methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1150561-57-1)
- 2,6-Difluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-benzenemethanol (CAS 1417736-43-6)
- 2-(2,3-difluoro-4-methoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1809298-92-7)
- (2,5-Difluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)methanol (CAS 1817835-84-9)
- (3,5-Difluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)methanol (CAS 1857323-39-7)
- (2,4-Difluoro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)methanol (CAS 1970977-54-8)
Recommended Standards
- 3-(4-Bromophenyl)-4,5-dihydro-1,2-oxazole-5-carboxylic acid (CAS 203392-15-8)
- 3,6-Difluoro-2-methoxyphenylboronic acid pinacol ester (CAS 2121513-59-3)
- 3-（3-Bromo-phenylcarbamoyl)-acrylic acid (CAS 326914-22-1)
- 3-[(2-bromophenyl)carbamoyl]prop-2-enoic acid (CAS 36847-85-5)
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- 4-((Furan-2-ylmethyl)thio)pentan-2-one (CAS 180031-78-1)
- 3-Bromo-4-methoxypyridine hydrochloride (CAS 1881290-50-1)
- 302798-54-5 (Leu31,Pro34)-Neuropeptide Y (13-36) (human, rat) MFCD00672463 (CAS 302798-54-5)
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 18665070610 / Nicole.chen@cato-chem.com