4-Fluoro-4-methoxybut-2-ynoic acid

4-氟-4-甲氧基丁-2-炔酸

4-Fluoro-4-methoxybut-2-ynoic acid (CAS 2138141-50-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H5FO3 and a molecular weight of 132.09 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2138141-50-9
Jingsj CID: J-1804808-9
Molecular Formula: C₅H₅FO₃
Chinese Name: 4-氟-4-甲氧基丁-2-炔酸
Molecular Weight: 132.09 g/mol
Category: Organic Acids
Last updated: 8/21/2026

No offers for this compound yet.

Request a quote

Frequently Asked Questions

What is the CAS number of 4-Fluoro-4-methoxybut-2-ynoic acid?

The CAS number of 4-Fluoro-4-methoxybut-2-ynoic acid is 2138141-50-9.

What are the molecular formula and molecular weight of 4-Fluoro-4-methoxybut-2-ynoic acid?

4-Fluoro-4-methoxybut-2-ynoic acid has molecular formula C5H5FO3 and molecular weight 132.09 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. "4-Fluoro-4-methoxybut-2-ynoic acid (CAS 2138141-50-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1804808-9 (accessed 2026-10-24).

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