2-Ethynyl-5-(3-(trifluoromethoxy)phenyl)thiophene

2-乙炔基-5-(3-三氟甲氧基苯基)噻吩

2-Ethynyl-5-(3-(trifluoromethoxy)phenyl)thiophene (CAS 2749771-03-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H7F3OS and a molecular weight of 268.26 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2749771-03-5
Jingsj CID: J-273418-5
Molecular Formula: C₁₃H₇F₃OS
Chinese Name: 2-乙炔基-5-(3-三氟甲氧基苯基)噻吩
Molecular Weight: 268.26 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-(3-(trifluoromethoxy)phenyl)thiophene?

The CAS number of 2-Ethynyl-5-(3-(trifluoromethoxy)phenyl)thiophene is 2749771-03-5.

What are the molecular formula and molecular weight of 2-Ethynyl-5-(3-(trifluoromethoxy)phenyl)thiophene?

2-Ethynyl-5-(3-(trifluoromethoxy)phenyl)thiophene has molecular formula C13H7F3OS and molecular weight 268.26 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-(3-(trifluoromethoxy)phenyl)thiophene (CAS 2749771-03-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-273418-5 (accessed 2026-10-23).

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