4-(trifluoromethoxy)phenyl chlorothioformate

硫代氯甲酸-4-三氟甲氧基苯酯

Also known as: Formic acid, chlorothio-, O-[p-(trifluoromethoxy)phenyl] ester (7CI,8CI)

4-(trifluoromethoxy)phenyl chlorothioformate (CAS 2251-66-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H4ClF3O2S and a molecular weight of 256.6293696 g/mol. It is also known as Formic acid, chlorothio-, O-[p-(trifluoromethoxy)phenyl] ester (7CI,8CI). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2251-66-3
Jingsj CID: J-1451336-3
Molecular Formula: C₈H₄ClF₃O₂S
Chinese Name: 硫代氯甲酸-4-三氟甲氧基苯酯
Molecular Weight: 256.6293696 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)phenyl chlorothioformate?

The CAS number of 4-(trifluoromethoxy)phenyl chlorothioformate is 2251-66-3.

What are the molecular formula and molecular weight of 4-(trifluoromethoxy)phenyl chlorothioformate?

4-(trifluoromethoxy)phenyl chlorothioformate has molecular formula C8H4ClF3O2S and molecular weight 256.6293696 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)phenyl chlorothioformate (CAS 2251-66-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1451336-3 (accessed 2026-10-24).

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