2-Chloro-5-fluorobenzeneboronic acid pinacol ester, 97% CAS 870486-41-2
| CAS No. | 870486-41-2 |
| Molecular Formula | C12H15BClFO2 |
| Molecular Weight | 256.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-Chloro-5-fluorobenzeneboronic acid pinacol ester, 97% (C12H15BClFO2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.5, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 256.51 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
CATO supplies 2-Chloro-5-fluorobenzeneboronic acid pinacol ester, 97% (CAS 870486-41-2), a certified reference material (molecular formula C12H15BClFO2, MW 256.51 g/mol) for analytical method development and quality control.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 2-Chloro-5-fluorobenzeneboronic acid pinacol ester, 97% 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 | C12H15BClFO2 |
| Molecular Weight | 256.51 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| 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) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F/Cl-containing |
Related Chloro Standards
- 5-Chloro-2-fluorophenylboronic Acid Pinacol Ester (CAS 1190129-77-1)
- 3-Chloro-2-fluorobenzeneboronic acid pinacol ester, 97% (CAS 1192025-01-6)
- 3-Chloro-5-fluorobenzeneboronic acid pinacol ester, 97% (CAS 1245524-02-0)
- 2-(2-Chloro-6-fluorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1599432-38-8)
- 2-Chloro-3-fluorobenzeneboronic acid pinacol ester, 97% (CAS 1688698-58-9)
- 2-(2-Chloro-4-fluorophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 892845-64-6)
- 3-Chloro-4-fluorobenzeneboronic acid pinacol ester, 97% (CAS 635305-46-3)
- 4-Chloro-2-fluorobenzeneboronic acid pinacol ester, 97% (CAS 765917-27-9)
Recommended Standards
- 2,4,6-Trichloro-3,5-dimethoxyaniline (CAS 2072084-91-2)
- (3R,7aS)-6-Methylidene-3-(Trichloromethyl)-Tetrahydropyrrolo[1,2-c][1,3]oxazol-1-One (CAS 1932627-86-5)
- 4-Chloro-3-fluorobenzeneboronic acid pinacol ester, 97% (CAS 627525-83-1)
- Octathiocane (CAS 10544-50-0)
- 8-Bromo-2,3-dimethoxy-1,5-naphthyridine (CAS 2185844-02-2)
- 3-(2-Nitrophenoxy)propionic Acid (CAS 6336-59-0)
- 6-Bromo-4-chloroquinoline (CAS 65340-70-7)
- 1-(2,2,2-Trifluoroethyl)-1H-imidazo[4,5-c]pyridin-2(3H)-one (CAS 380605-32-3)
- 5-(((2-Aminoethyl)thio)methyl)furan-2-carboxylic acid (CAS 1094560-55-0)
- 5-Bromo-n-(2-(dimethylamino)ethyl)-2-methoxybenzenesulfonamide (CAS 930755-10-5)
- Peramivir Impurity 9 (CAS 1352062-19-1)
- 5-Chloro-1,2-difluoro-3-methoxybenzene (CAS 1804875-58-8)
- 6-Chloro-3-hydroxy-1H-indole-2-carboxylic acid (CAS 132623-34-8)
- FLAG Epitope Peptide (CAS 98849-88-8)
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