5-chloro-2-(pyridin-4-yl)benzo[d]thiazole

Also known as: 5-chloro-2-(4-pyridinyl)benzothiazole, 5-chloro-2-pyridin-4-yl-1,3-benzothiazole, Benzothiazole, 5-chloro-2-(4-pyridinyl)-

5-chloro-2-(pyridin-4-yl)benzo[d]thiazole (CAS 51643-57-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H7ClN2S and a molecular weight of 246.71500 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 51643-57-3
Jingsj CID: J-1171949-6
Molecular Formula: C₁₂H₇ClN₂S
Molecular Weight: 246.71500 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	246.00200
PSA	54.02000
LogP	4.01170

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-chloro-2-(pyridin-4-yl)benzo[d]thiazole?

The CAS number of 5-chloro-2-(pyridin-4-yl)benzo[d]thiazole is 51643-57-3.

What are the molecular formula and molecular weight of 5-chloro-2-(pyridin-4-yl)benzo[d]thiazole?

5-chloro-2-(pyridin-4-yl)benzo[d]thiazole has molecular formula C12H7ClN2S and molecular weight 246.71500 g/mol.

What are the upstream and downstream products of 5-chloro-2-(pyridin-4-yl)benzo[d]thiazole?

For 5-chloro-2-(pyridin-4-yl)benzo[d]thiazole, Upstream Products: 4-Methylpyridine, 2-(Pyridin-4-yl)benzo[d]thiazole, 2-Amino-4-chlorothiophenol.

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-chloro-2-(pyridin-4-yl)benzo[d]thiazole (CAS 51643-57-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1171949-6 (accessed 2026-11-09).

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