4,4,5,5-Tetramethyl-2-(3,3a,4,6a-tetrahydro-1H-cyclopenta[c]thiophen-5-yl)-1,3,2-dioxaborolane CAS 2417113-05-2
| CAS No. | 2417113-05-2 |
| Molecular Formula | C13H21BO2S |
| Molecular Weight | 252.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4,4,5,5-Tetramethyl-2-(3,3a,4,6a-tetrahydro-1H-cyclopenta[c]thiophen-5-yl)-1,3,2-dioxaborolane 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.
4,4,5,5-Tetramethyl-2-(3,3a,4,6a-tetrahydro-1H-cyclopenta[c]thiophen-5-yl)-1,3,2-dioxaborolane (CAS 2417113-05-2), molecular formula C13H21BO2S and molecular weight 252.18 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4,4,5,5-Tetramethyl-2-(3,3a,4,6a-tetrahydro-1H-cyclopenta[c]thiophen-5-yl)-1,3,2-dioxaborolane (C13H21BO2S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.5, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 252.18 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C13H21BO2S |
| Molecular Weight | 252.18 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.) | 2000 |
| Sulfur Atoms | 1 |
Related Tetramethyl Standards
- 4,4,5,5-Tetramethyl-2-(2,4,5-trimethylthiophen-3-yl)-1,3,2-dioxaborolane (CAS 2064117-97-9)
- (E)-4,4,5,5-Tetramethyl-2-(non-1-en-1-yl)-1,3,2-dioxaborolane (CAS 805246-20-2)
- 3-(tetramethyl-1,3,2-dioxaborolan-2-yl)-4H,5H,6H,7H-pyrazolo[1,5-a]pyridine (CAS 1160614-73-2)
- 6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazolo[1,5-a]pyridine (CAS 1873385-99-9)
- 4,4,5,5-Tetramethyl-2-(7-oxaspiro[3.5]nonan-2-yl)-1,3,2-dioxaborolane (CAS 2706615-22-5)
- 7-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole (CAS 915411-02-8)
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- 1,2,3,4-Tetramethyl-1,2,3,4-cyclobutanetetracarboxylic Dianhydride (CAS 64198-16-9)
Recommended Standards
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