(4-methylthiophen-3-yl)boronic acid CAS 177735-11-4
| CAS No. | 177735-11-4 |
| Molecular Formula | C5H11BO2S |
| Molecular Weight | 146.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C5H11BO2S, (4-methylthiophen-3-yl)boronic acid contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 146.02 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
CATO supplies (4-methylthiophen-3-yl)boronic acid (CAS 177735-11-4), a certified reference material (molecular formula C5H11BO2S, MW 146.02 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), (4-methylthiophen-3-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 | C5H11BO2S |
| Molecular Weight | 146.02 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 0.5 |
| CAS Registry Year (est.) | 2007 |
| Sulfur Atoms | 1 |
Related methylthiophen Standards
- (3-methylthiophen-2-yl)boronic acid (CAS 177735-09-0)
- (2-methylthiophen-3-yl)boronic acid (CAS 177735-10-3)
- (5-Methylthiophen-2-yl)methanethiol (CAS 136358-89-9)
- 2-(5-Methylthiophen-3-yl)ethan-1-ol (CAS 1313189-32-0)
- (R)-1-(5-Methylthiophen-2-yl)ethan-1-ol (CAS 1344955-52-7)
- ((4-Methylthiophen-3-yl)methyl)hydrazine (CAS 1511037-26-5)
- 2-(3-Methylthiophen-2-yl)ethan-1-ol (CAS 159144-69-1)
- 2-(5-Methylthiophen-2-yl)ethan-1-ol (CAS 19498-70-5)
Recommended Standards
- Tetrahydrothiopyran-4-ylboronic acid (CAS 2265921-88-6)
- (S)-2,3,3,3-Tetrafluoropropanoic acid (CAS 1693726-05-4)
- ((2R)-5-Methyltetrahydrothiophen-2-yl)boronic acid (CAS 1099644-36-6)
- 2,3,3,3-Tetrafluoropropanoic acid (CAS 359-49-9)
- 1-(5-Bromopyrimidin-4-yl)ethan-1-ol (CAS 1315379-57-7)
- 4-(Ethylamino)-1H-pyrrolo[2,3-b]pyridine-5-carbaldehyde (CAS 915403-16-6)
- 1,4-Bis((5-(dimethylamino)pentyl)amino)anthracene-9,10-dione (CAS 70945-53-8)
- 1-(3,4-Dichlorophenyl)-2-methylpropan-2-ol (CAS 6430-91-7)
- Benzylidenehydrazine (CAS 5281-18-5)
- N-(4-(1,3-Diphenyl-4,5-dihydro-1H-pyrazol-5-yl)phenyl)acetamide (CAS 10179-72-3)
- 5-Chloro-N-(2,4-difluorophenyl)thiophene-2-carboxamide (CAS 391225-51-7)
- (R)-1-(3-(1,1-Difluoroethyl)-2-fluorophenyl)prop-2-yn-1-amine hydrochloride (CAS 2846109-64-4)
- Isopropyl (2-iodo-4-methyl-5-(trifluoromethyl)phenyl)carbamate (CAS 872624-69-6)
- Semaglutide Impurity 123 (CAS 71997-93-8)
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