4-(Trifluoromethoxy)benzenesulfonic acid

4-三氟甲氧基苯磺酸

4-(Trifluoromethoxy)benzenesulfonic acid (CAS 142739-02-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H5F3O4S and a molecular weight of 242.17 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 142739-02-4
Jingsj CID: J-751784-2
Molecular Formula: C₇H₅F₃O₄S
Chinese Name: 4-三氟甲氧基苯磺酸
Molecular Weight: 242.17 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 4-(Trifluoromethoxy)benzenesulfonic acid?

The CAS number of 4-(Trifluoromethoxy)benzenesulfonic acid is 142739-02-4.

What are the molecular formula and molecular weight of 4-(Trifluoromethoxy)benzenesulfonic acid?

4-(Trifluoromethoxy)benzenesulfonic acid has molecular formula C7H5F3O4S and molecular weight 242.17 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-(Trifluoromethoxy)benzenesulfonic acid (CAS 142739-02-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-751784-2 (accessed 2026-10-23).

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