5-Chlorothiazolo[5,4-b]pyridin-2(1H)-one

Also known as: 5-Chlorothiazolo[5,4-b]pyridin-2(1H)-one, Thiazolo[5,4-b]pyridin-2(1H)-one, 5-chloro-, 5-Chloro-1H-[1,3]thiazolo[5,4-b]pyridin-2-one

5-Chlorothiazolo[5,4-b]pyridin-2(1H)-one (CAS 121879-69-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H3ClN2OS and a molecular weight of 186.61900 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 121879-69-4
Jingsj CID: J-1500492-9
Molecular Formula: C₆H₃ClN₂OS
Molecular Weight: 186.61900 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	185.96500
PSA	74.25000
LogP	2.05030

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 5-Chlorothiazolo[5,4-b]pyridin-2(1H)-one?

The CAS number of 5-Chlorothiazolo[5,4-b]pyridin-2(1H)-one is 121879-69-4.

What are the molecular formula and molecular weight of 5-Chlorothiazolo[5,4-b]pyridin-2(1H)-one?

5-Chlorothiazolo[5,4-b]pyridin-2(1H)-one has molecular formula C6H3ClN2OS and molecular weight 186.61900 g/mol.

What are the upstream and downstream products of 5-Chlorothiazolo[5,4-b]pyridin-2(1H)-one?

For 5-Chlorothiazolo[5,4-b]pyridin-2(1H)-one, Upstream Products: 2,6-Dichloropyridin-3-amine.

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. "5-Chlorothiazolo[5,4-b]pyridin-2(1H)-one (CAS 121879-69-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1500492-9 (accessed 2026-11-09).

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