1H-Imidazo[4,5-b]pyridine-2-thiol

1H-咪唑并[4,5-b]吡啶-2-硫醇

Also known as: 1,3-Dihydroimidazo[4,5-b]pyridine-2-thione, 1H-Imidazo[4,5-b]pyridine-2(3H)-thione, 2-Thio-1H-imidazo[4,5-b]pyridine, 2H-Imidazo[4,5-b]pyridine-2-thione, 1,3-dihydro-, 3H-Imidazo[4,5-b]pyridine-2-thiol, 4-Aza-2-mercaptobenzimidazole, Pyrido[2,3-d]imidazolin-2-thione

1H-Imidazo[4,5-b]pyridine-2-thiol (CAS 29448-81-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H5N3S and a molecular weight of 151.18900 g/mol. It is also known as 1,3-Dihydroimidazo[4,5-b]pyridine-2-thione, 1H-Imidazo[4,5-b]pyridine-2(3H)-thione and 2-Thio-1H-imidazo[4,5-b]pyridine. Key properties include a boiling point of 308.3ºC at 760 mmHg, a density of 1.49g/cm3 and a flash point of 140.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 29448-81-5
Jingsj CID: J-1511039-0
Molecular Formula: C₆H₅N₃S
Chinese Name: 1H-咪唑并[4,5-b]吡啶-2-硫醇
Molecular Weight: 151.18900 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	308.3ºC at 760 mmHg
Density	1.49g/cm3
Flash Point	140.3ºC

Frequently Asked Questions

What is the CAS number of 1H-Imidazo[4,5-b]pyridine-2-thiol?

The CAS number of 1H-Imidazo[4,5-b]pyridine-2-thiol is 29448-81-5.

What are the molecular formula and molecular weight of 1H-Imidazo[4,5-b]pyridine-2-thiol?

1H-Imidazo[4,5-b]pyridine-2-thiol has molecular formula C6H5N3S and molecular weight 151.18900 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1H-Imidazo[4,5-b]pyridine-2-thiol (CAS 29448-81-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1511039-0 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.