Trimethyl((3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethynyl)silane CAS 915402-03-8
| CAS No. | 915402-03-8 |
| Molecular Formula | C17H25BO2Si |
| Molecular Weight | 300.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Trimethyl((3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethynyl)silane (CAS 915402-03-8), molecular formula C17H25BO2Si and molecular weight 300.28 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, a hydroxyl group, an ether linkage, Trimethyl((3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethynyl)silane is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 300.28 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures Trimethyl((3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethynyl)silane 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 | 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.) | 1987 |
Related Trimethyl Standards
- Trimethyl((2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethynyl)silane (CAS 1218790-52-3)
- 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
- tert-Butyl prop-2-yn-1-yl(2-(trifluoromethyl)pyridin-4-yl)carbamate (CAS 2408199-30-2)
- (3Z,5Z)-6-(dimethylamino)-1,1,1-trifluoro-4-[(2-hydroxyphenyl)amino]hexa-3,5-dien-2-one 11M-727 303986-93-8 (CAS 303986-93-8)
- (Z)-5-((5-Fluoro-2-oxoindolin-3-ylidene)methyl)-2,4-dimethyl-1H-pyrrole-3-carboxylic acid (CAS 356068-93-4)
- Sunitinib Impurity 22 (CAS 452105-33-8)
- 1-(2-(4-Hydroxyphenyl)benzofuran-3-yl)propan-1-one (CAS 10402-58-1)
- N-tert-butyl-2-methylpropan-2-amine (CAS 21981-37-3)
- Methyl 2-bromo-3,5-difluorobenzoate (CAS 1805023-66-8)
- Fluvoxamine Impurity 157 (CAS CATO-C4X-195157)
- 2,3,5,6-Tetramethylpyrazine hydrochloride (CAS 126400-81-5)
- 5-Amino-2-chlorophenyl acetate (CAS 81701-92-0)
- N-(2-aminoethyl)propiolamide (CAS 1099604-74-6)
- 2-Chloro-n-[5-methyl-2-(5-methyl-4h-1,2,4-triazol-3-yl)phenyl]acetamide (CAS 1421601-84-4)
- 2-THiocyanato-6-trifluoromethyl-phenylamine (CAS 1822845-47-5)
- Semaglutide impurity 25 (CAS CATO-C4X-222625)
Why CATO?
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