4,4,5,5-Tetramethyl-2-(5-methylthiophen-2-yl)-1,3,2-dioxaborolane CAS 476004-80-5
| CAS No. | 476004-80-5 |
| Molecular Formula | C11H17BO2S |
| Molecular Weight | 224.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, 4,4,5,5-Tetramethyl-2-(5-methylthiophen-2-yl)-1,3,2-dioxaborolane is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 224.13 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
CATO supplies 4,4,5,5-Tetramethyl-2-(5-methylthiophen-2-yl)-1,3,2-dioxaborolane (CAS 476004-80-5), a certified reference material (molecular formula C11H17BO2S, MW 224.13 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4,4,5,5-Tetramethyl-2-(5-methylthiophen-2-yl)-1,3,2-dioxaborolane under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H17BO2S |
| Molecular Weight | 224.13 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) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2025 |
| Sulfur Atoms | 1 |
Related Tetramethyl Standards
- 4,4,5,5-Tetramethyl-2-(thiophen-3-ylmethyl)-1,3,2-dioxaborolane (CAS 1444010-65-4)
- 4,4,5,5-Tetramethyl-2-(thiophen-2-ylmethyl)-1,3,2-dioxaborolane (CAS 1638933-18-2)
- 4,4,5,5-Tetramethyl-2-(5-methylthiophen-3-yl)-1,3,2-dioxaborolane (CAS 874959-74-7)
- (E)-4,4,5,5-Tetramethyl-2-(2-methylhex-1-en-1-yl)-1,3,2-dioxaborolane (CAS 1808067-61-9)
- (E)-4,4,5,5-Tetramethyl-2-(2,3,3-trimethylbut-1-en-1-yl)-1,3,2-dioxaborolane (CAS 2098555-07-6)
- 4,4,5,5-Tetramethyl-2-(4-methyl-3,4-dihydro-2H-pyran-6-yl)-1,3,2-dioxaborolane (CAS 1046811-98-6)
- 4-(tetramethyl-1,3,2-dioxaborolan-2-yl)cyclohex-3-en-1-ol (CAS 1310384-24-7)
- 2-((4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)methyl)cyclopentanone (CAS 134892-21-0)
Recommended Standards
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Why CATO?
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