1-(3-Aminobenzo[b]thiophen-2-yl)ethanone

Also known as: 1-(3-Amino-1-benzothiophen-2-yl)ethanone, 2-Acetyl-3-aminobenzthiophen, 2-acetyl-3-aminobenzo[b]thiophen, Ethanone, 1-(3-aminobenzo[b]thien-2-yl)-

1-(3-Aminobenzo[b]thiophen-2-yl)ethanone (CAS 34263-61-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H9NOS and a molecular weight of 191.25000 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 34263-61-1
Jingsj CID: J-1389646-3
Molecular Formula: C₁₀H₉NOS
Molecular Weight: 191.25000 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	191.04000
PSA	71.33000
LogP	3.26730

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-(3-Aminobenzo[b]thiophen-2-yl)ethanone?

The CAS number of 1-(3-Aminobenzo[b]thiophen-2-yl)ethanone is 34263-61-1.

What are the molecular formula and molecular weight of 1-(3-Aminobenzo[b]thiophen-2-yl)ethanone?

1-(3-Aminobenzo[b]thiophen-2-yl)ethanone has molecular formula C10H9NOS and molecular weight 191.25000 g/mol.

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-(3-Aminobenzo[b]thiophen-2-yl)ethanone (CAS 34263-61-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1389646-3 (accessed 2026-11-09).

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