(2-methylthiophen-3-yl)boronic acid CAS 177735-10-3
| CAS No. | 177735-10-3 |
| Molecular Formula | C5H11BO2S |
| Molecular Weight | 146.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(2-methylthiophen-3-yl)boronic acid (CAS 177735-10-3), molecular formula C5H11BO2S and molecular weight 146.02 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (2-methylthiophen-3-yl)boronic acid (C5H11BO2S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 0.5, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 146.02 g/mol, it falls into the low-molecular-weight range.
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), (2-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)
- (4-methylthiophen-3-yl)boronic acid (CAS 177735-11-4)
- (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
- ((2R)-5-Methyltetrahydrothiophen-2-yl)boronic acid (CAS 1099644-36-6)
- Tetrahydrothiopyran-4-ylboronic acid (CAS 2265921-88-6)
- 4-Bromo-2-butenenitrile (CAS 42879-03-8)
- (S)-2,3,3,3-Tetrafluoropropanoic acid (CAS 1693726-05-4)
- 4-Iodo-6-methoxypyrimidine (CAS 161489-05-0)
- 2-azabicyclo[3.1.1]heptane hydrochloride (CAS 2171280-54-7)
- 2-[(2,6-Dichlorophenyl)sulfanyl]-N-[2-(phenylsulfanyl)ethyl]acetamide (CAS 337923-41-8)
- Ethyl 5-phenylpent-4-enoate (CAS 22768-07-6)
- 3-((3-Bromobenzyl)amino)propan-1-ol hydrochloride (CAS 1049790-42-2)
- 1-Chloro-4-methoxy-4-methylpentane (CAS 61599-12-0)
- (1-(4-Methylbenzyl)piperidin-4-yl)methanol hydrochloride (CAS 1332531-01-7)
- 4-Amino-5-(difluoromethyl)-6-methoxypyridin-3-ol (CAS 1805333-43-0)
- (3-{[5-(Trifluoromethyl)pyridin-2-yl]oxy}phenyl)amine (CAS 87170-45-4)
- Semaglutide Impurity 139 (CAS CATO-C4X-2226139)
Why CATO?
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