Methyl 4-((tert-butyldimethylsilyl)oxy)but-2-ynoate

4-((叔丁基二甲基硅基)氧基)丁-2-炔酸甲酯

Also known as: 4-(tert-butyl-dimethyl-silanyloxy)-but-2-ynoic acid methyl ester, Methyl 4-tert-butyldimethylsilyloxy-2-butynoate, Methyl 4-[tert-butyl(dimethyl)silyl]oxybut-2-ynoate, Methyl 4-((t-butyldimethylsilyl)oxy)but-2-ynoate, methyl 4-(tert-butyldimethylsiloxy)but-2-ynoate

Methyl 4-((tert-butyldimethylsilyl)oxy)but-2-ynoate (CAS 117968-51-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H20O3Si and a molecular weight of 228.36000 g/mol. It is also known as 4-(tert-butyl-dimethyl-silanyloxy)-but-2-ynoic acid methyl ester, Methyl 4-tert-butyldimethylsilyloxy-2-butynoate and Methyl 4-[tert-butyl(dimethyl)silyl]oxybut-2-ynoate. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 117968-51-1
Jingsj CID: J-1477456-4
Molecular Formula: C₁₁H₂₀O₃Si
Chinese Name: 4-((叔丁基二甲基硅基)氧基)丁-2-炔酸甲酯
Molecular Weight: 228.36000 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of Methyl 4-((tert-butyldimethylsilyl)oxy)but-2-ynoate?

The CAS number of Methyl 4-((tert-butyldimethylsilyl)oxy)but-2-ynoate is 117968-51-1.

What are the molecular formula and molecular weight of Methyl 4-((tert-butyldimethylsilyl)oxy)but-2-ynoate?

Methyl 4-((tert-butyldimethylsilyl)oxy)but-2-ynoate has molecular formula C11H20O3Si and molecular weight 228.36000 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. "Methyl 4-((tert-butyldimethylsilyl)oxy)but-2-ynoate (CAS 117968-51-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1477456-4 (accessed 2026-10-25).

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