Benzofuran-2-boronic acid, pinacol ester CAS 402503-13-3
| CAS No. | 402503-13-3 |
| Molecular Formula | C14H17BO3 |
| Molecular Weight | 244.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Benzofuran-2-boronic acid, pinacol ester is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Benzofuran-2-boronic acid, pinacol ester (CAS 402503-13-3) is a high-purity analytical reference standard with the molecular formula C14H17BO3 and a molecular weight of 244.09 g/mol.
Structurally, Benzofuran-2-boronic acid, pinacol ester (C14H17BO3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.5, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 244.09 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Benzofuran-2-boronic acid, pinacol ester 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 | C14H17BO3 |
| Molecular Weight | 244.09 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
Related Benzofuran Standards
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- 6-Bromo-2,2-dimethyl-2,3-dihydro-[1,4]dioxino[2,3-b]pyridine (CAS 2757012-29-4)
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- 4-chloro-3-(methylsulfanyl)quinoline (CAS 83936-07-6)
- 2-(3-(3-Fluorophenyl)-6-(trifluoromethyl)pyridin-2-yl)acetic acid (CAS 1214381-93-7)
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- Ethyl 5-amino-1-(4-methoxybenzyl)-1H-pyrazole-4-carboxylate (CAS 384835-92-1)
- 1-(2-Hydrazinyl-2-oxoethyl)pyridin-1-ium chloride (CAS 1126-58-5)
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