1-(3-Amino-4,6-dimethylthieno[2,3-b]pyridin-2-yl)ethanone

Also known as: 1-(3-Amino-4,6-dimethylthieno[2,3-b]pyridin-2-yl)ethanone, 1-(3-Amino-4,6-dimethylthieno[2,3-b]pyridin-2-yl)ethan-1-one, 1-(3-Amino-4,6-dimethyl-thieno[2,3-b]pyridin-2-yl)-ethanone, Ethanone, 1-(3-amino-4,6-dimethylthieno[2,3-b]pyridin-2-yl)-, 2-Acetyl-3-amino-4,6-dimethylthieno<2,3-b>pyridin, 1-{3-amino-4,6-dimethylthieno[2,3-b]pyridin-2-yl}ethan-1-one

1-(3-Amino-4,6-dimethylthieno[2,3-b]pyridin-2-yl)ethanone (CAS 52505-42-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H12N2OS and a molecular weight of 220.29100 g/mol. Key properties include a boiling point of 397.9ºC at 760 mmHg, a density of 1.276g/cm3 and a flash point of 194.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 52505-42-7
Jingsj CID: J-1118634-8
Molecular Formula: C₁₁H₁₂N₂OS
Molecular Weight: 220.29100 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	397.9ºC at 760 mmHg
Density	1.276g/cm3
Flash Point	194.4ºC
Exact Mass	220.06700
PSA	84.22000
LogP	3.27910
Refractive Index	1.67

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-Amino-4,6-dimethylthieno[2,3-b]pyridin-2-yl)ethanone?

The CAS number of 1-(3-Amino-4,6-dimethylthieno[2,3-b]pyridin-2-yl)ethanone is 52505-42-7.

What are the molecular formula and molecular weight of 1-(3-Amino-4,6-dimethylthieno[2,3-b]pyridin-2-yl)ethanone?

1-(3-Amino-4,6-dimethylthieno[2,3-b]pyridin-2-yl)ethanone has molecular formula C11H12N2OS and molecular weight 220.29100 g/mol.

What are the upstream and downstream products of 1-(3-Amino-4,6-dimethylthieno[2,3-b]pyridin-2-yl)ethanone?

For 1-(3-Amino-4,6-dimethylthieno[2,3-b]pyridin-2-yl)ethanone, Upstream Products: 4,6-dimethyl-2-mercaptonicotinonitrile, Chloroacetone.

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-Amino-4,6-dimethylthieno[2,3-b]pyridin-2-yl)ethanone (CAS 52505-42-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1118634-8 (accessed 2026-11-09).

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