[(5-Ethyl-3-thienyl)ethynyl](trimethyl)silane

[(5-乙基-3-噻吩)乙炔]三甲基硅烷

Also known as: Silane, [(5-ethyl-3-thienyl)ethynyl]trimethyl- (9CI), Thiophene, 2-ethyl-4-[2-(trimethylsilyl)ethynyl]-, 2-(5-ethylthiophen-3-yl)ethynyl-trimethylsilane

[(5-Ethyl-3-thienyl)ethynyl](trimethyl)silane (CAS 467251-52-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H16SSi and a molecular weight of 208.39500 g/mol. It is also known as Silane, [(5-ethyl-3-thienyl)ethynyl]trimethyl- (9CI), Thiophene, 2-ethyl-4-[2-(trimethylsilyl)ethynyl]- and 2-(5-ethylthiophen-3-yl)ethynyl-trimethylsilane. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 467251-52-1
Jingsj CID: J-1559381-2
Molecular Formula: C₁₁H₁₆SSi
Chinese Name: [(5-乙基-3-噻吩)乙炔]三甲基硅烷
Molecular Weight: 208.39500 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of [(5-Ethyl-3-thienyl)ethynyl](trimethyl)silane?

The CAS number of [(5-Ethyl-3-thienyl)ethynyl](trimethyl)silane is 467251-52-1.

What are the molecular formula and molecular weight of [(5-Ethyl-3-thienyl)ethynyl](trimethyl)silane?

[(5-Ethyl-3-thienyl)ethynyl](trimethyl)silane has molecular formula C11H16SSi and molecular weight 208.39500 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "[(5-Ethyl-3-thienyl)ethynyl](trimethyl)silane (CAS 467251-52-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1559381-2 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.