2-Ethynyl-5-(trifluoromethyl)thiophene

2-乙炔基-5-(三氟甲基)噻吩

2-Ethynyl-5-(trifluoromethyl)thiophene (CAS 128009-34-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H3F3S and a molecular weight of 176.16 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 128009-34-7
Jingsj CID: J-711641-0
Molecular Formula: C₇H₃F₃S
Chinese Name: 2-乙炔基-5-(三氟甲基)噻吩
Molecular Weight: 176.16 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 2-Ethynyl-5-(trifluoromethyl)thiophene?

The CAS number of 2-Ethynyl-5-(trifluoromethyl)thiophene is 128009-34-7.

What are the molecular formula and molecular weight of 2-Ethynyl-5-(trifluoromethyl)thiophene?

2-Ethynyl-5-(trifluoromethyl)thiophene has molecular formula C7H3F3S and molecular weight 176.16 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. "2-Ethynyl-5-(trifluoromethyl)thiophene (CAS 128009-34-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-711641-0 (accessed 2026-10-23).

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