(5-Methoxythiophen-2-yl)boronic acid CAS 162607-21-8
| CAS No. | 162607-21-8 |
| Molecular Formula | C5H7BO3S |
| Molecular Weight | 157.98 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(5-Methoxythiophen-2-yl)boronic acid (CAS 162607-21-8) is a high-purity analytical reference standard with the molecular formula C5H7BO3S and a molecular weight of 157.98 g/mol.
The molecular framework of (5-Methoxythiophen-2-yl)boronic acid (C5H7BO3S) is characterized by a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development.
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), (5-Methoxythiophen-2-yl)boronic acid 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 | C5H7BO3S |
| Molecular Weight | 157.98 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.5 |
| CAS Registry Year (est.) | 2003 |
| Sulfur Atoms | 1 |
Related Methoxythiophen Standards
- 2-(5-Methoxythiophen-2-yl)ethanol (CAS 57070-79-8)
- 1-(3-Methoxythiophen-2-yl)-N-methylmethanamine (CAS 944450-93-5)
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- (5-Methoxythiophen-2-yl)methanol (CAS 201598-33-6)
Recommended Standards
- (4-(Hydroxymethyl)thiophen-3-yl)boronic acid (CAS 158722-74-8)
- 3-Methoxythiophene-2-boronic acid (CAS 162607-22-9)
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