(2-(Triethylsilyl)benzo[b]thiophen-7-yl)boronic acid CAS 1217501-30-8
| CAS No. | 1217501-30-8 |
| Molecular Formula | C14H21BO2SSi |
| Molecular Weight | 292.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
(2-(Triethylsilyl)benzo[b]thiophen-7-yl)boronic acid (CAS 1217501-30-8), molecular formula C14H21BO2SSi and molecular weight 292.28 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system, (2-(Triethylsilyl)benzo[b]thiophen-7-yl)boronic acid is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 292.28 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), (2-(Triethylsilyl)benzo[b]thiophen-7-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 | C14H21BO2SSi |
| Molecular Weight | 292.28 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Sulfur Atoms | 1 |
Related Triethylsilyl Standards
- Triethylsilyl 2,2-difluoro-2-(fluorosulfonyl)acetate (CAS 757203-27-3)
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- 3,3-Bis(triethylsilyl)acrylaldehyde (CAS 1421789-57-2)
- N-(3-(Triethylsilyl)propyl)quinolin-4-amine (CAS 62619-93-6)
- 1-(3-(Triethylsilyl)prop-2-yn-1-yl)-1H-benzo[d][1,2,3]triazole (CAS 305850-76-4)
- 8-((Triethylsilyl)oxy)quinoline (CAS 120540-77-4)
- Bis(triethylsilyl)acetylene (CAS 17947-98-7)
- 3-(Triethylsilyl)quinoline (CAS 882049-74-3)
Recommended Standards
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- 1-(4-Ethoxy-3,5-difluorophenyl)propan-1-one (CAS 1443328-99-1)
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- 1,2,3,6,8-Pentachloronaphthalene (CAS 150224-23-0)
- 3-Amino-4-chloro-N-propylbenzenesulfonamide (CAS 1017409-30-1)
- 3-Fluoro-4-(4-methyl-1H-imidazol-1-yl)-Benzaldehyde (CAS 937400-07-2)
- 1-(6-Chloropyridazin-3-yl)-azepane (CAS 312318-48-2)
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- Liraglutide Impurity 20 TFA Salt (CAS CATO-C4X-199220)
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