Trimethyl((2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethynyl)silane CAS 1218790-52-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1218790-52-3 |
| Molecular Formula | C17H25BO2Si |
| Molecular Weight | 300.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Trimethyl((2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethynyl)silane (CAS 1218790-52-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C17H25BO2Si. Molecular weight: 300.28 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C17H25BO2Si |
| Molecular Weight | 300.28 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
Related Trimethyl Standards
- Trimethyl((3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethynyl)silane (CAS 915402-03-8)
- 6-ethyl-3-(1,3,5-trimethyl-1H-pyrazol-4-yl)isoxazolo[5,4-b]pyridine-4-carboxylic acid (CAS 1173266-66-4)
- 3-{2,3,5-trimethyl-7-oxo-7h-furo[3,2-g]chromen-6-yl}propanoic acid (CAS 663910-76-7)
- 3-{3,5,9-trimethyl-7-oxo-7h-furo[3,2-g]chromen-6-yl}propanoic acid (CAS 777857-42-8)
- [[(3,4,5-Trimethyl-1H-pyrrol-2-yl)(3,4,5-trimethyl-2H-pyrrol-2-ylidene)methyl]carbonitrile](difluoroborane) (CAS 157410-23-6)
- 1,3,5-Trimethyl-N-(2-(thiophen-3-yl)ethyl)-1H-pyrazole-4-sulfonamide (CAS 1428367-42-3)
- 2,2,4-Trimethyl-1,2-dihydroquinolin-6-yl thiophene-2-carboxylate (CAS 375359-94-7)
- 2,3,3-Trimethyl-5-(phenylsulfonyl)-3H-indole (CAS 55203-59-3)
Recommended Standards
- N-(3,5-Difluorophenyl)-2-hydrazinylpyridine-3-sulfonamide (CAS 1155081-22-3)
- Methyl 2-(4-fluorophenyl)-3-oxo-1,2,3,4-tetrahydroquinoxaline-6-carboxylate (CAS 1268867-01-1)
- N-(4-Fluorobenzyl)-2-(5-(furan-2-yl)isoxazol-3-yl)acetamide (CAS 1105217-36-4)
- 8-Benzyl 3-ethyl (R)-2,8-diazaspiro[4.5]decane-3,8-dicarboxylate (CAS 2306245-47-4)
- O-Isobutyl S-methyl carbonodithioate (CAS 69943-68-6)
- 2-Isobutyl-4,6-dimethyl-1,3,5-dithiazinane (CAS 101517-87-7)
- 3-(4-Fluoropyridin-3-yl)propan-1-amine (CAS 1060809-55-3)
- 3-[2-(Benzyloxy)ethyl]oxolane-3-carbaldehyde (CAS 1934451-45-2)
- 2-(6-Phenoxy-pyridin-3-yl)-ethylamine dihydrochloride (CAS 1303968-49-1)
- D-allo-Thr5-Semaglutide (CAS CATO-C4X-2226243)
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 13829788188 / jacky.chen@cato-chem.com