1-(5-Bromothiophen-2-yl)-2,2,2-trifluoroethanone

Also known as: 2-Bromo-5-trifluoroacetylthiophene, 5-Bromo-2-trifluoroacetylthiophene, 1-(5-Bromo-2-thienyl)-2,2,2-trifluoroethanone, 1-(5-bromo-thiophen-2-yl)-2,2,2-trifluoro-ethanone, 1-(5-bromothiophen-2-yl)-2,2,2-trifluoroethan-1-one, 2-Brom-5-trifluoracetylthiophen, 2-bromo-5-(2',2',2'-trifluoroethanonyl)-thiophene, Ethanone, 1-(5-bromo-2-thienyl)-2,2,2-trifluoro-

1-(5-Bromothiophen-2-yl)-2,2,2-trifluoroethanone (CAS 34773-51-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H2BrF3OS and a molecular weight of 259.04400 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 34773-51-8
Jingsj CID: J-1181568-2
Molecular Formula: C₆H₂BrF₃OS
Molecular Weight: 259.04400 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	257.89600
PSA	45.31000
LogP	3.25560

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 1-(5-Bromothiophen-2-yl)-2,2,2-trifluoroethanone?

The CAS number of 1-(5-Bromothiophen-2-yl)-2,2,2-trifluoroethanone is 34773-51-8.

What are the molecular formula and molecular weight of 1-(5-Bromothiophen-2-yl)-2,2,2-trifluoroethanone?

1-(5-Bromothiophen-2-yl)-2,2,2-trifluoroethanone has molecular formula C6H2BrF3OS and molecular weight 259.04400 g/mol.

What are the upstream and downstream products of 1-(5-Bromothiophen-2-yl)-2,2,2-trifluoroethanone?

For 1-(5-Bromothiophen-2-yl)-2,2,2-trifluoroethanone, Upstream Products: 5-Bromothiophene-2-carbonyl chloride.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "1-(5-Bromothiophen-2-yl)-2,2,2-trifluoroethanone (CAS 34773-51-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1181568-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.