4-ethyl-5-pyridin-2-yl-4H-1,2,4-triazole-3-thiol

4-乙基-5-吡啶-2-基-4H-1,2,4-三唑-3-硫醇

Also known as: 4-ethyl-3-pyridin-2-yl-1H-1,2,4-triazole-5-thione, 4-ethyl-5-(2-pyridyl)-2H-1,2,4-triazole-3-thione, 4-ethyl-5-pyridin-2-yl-2H-1,2,4-triazole-3-thione, 3H-1,2,4-Triazole-3-thione,4-ethyl-2,4-dihydro-5-(2-pyridinyl)- (9CI), 4-ethyl-5-pyridin-2-yl-4H-1,2,4-triazole-3-thiol (SALTDATA: FREE)

4-ethyl-5-pyridin-2-yl-4H-1,2,4-triazole-3-thiol (CAS 438231-11-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H10N4S and a molecular weight of 206.26700 g/mol. It is also known as 4-ethyl-3-pyridin-2-yl-1H-1,2,4-triazole-5-thione, 4-ethyl-5-(2-pyridyl)-2H-1,2,4-triazole-3-thione and 4-ethyl-5-pyridin-2-yl-2H-1,2,4-triazole-3-thione. Key properties include a boiling point of 309ºC at 760 mmHg, a density of 1.34g/cm3 and a flash point of 140.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
438231-11-9
Jingsj CID
J-1001657-0
Molecular Formula
C9H10N4S
Chinese Name
4-乙基-5-吡啶-2-基-4H-1,2,4-三唑-3-硫醇
Molecular Weight
206.26700 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point309ºC at 760 mmHg
Density1.34g/cm3
Flash Point140.7ºC

Frequently Asked Questions

What is the CAS number of 4-ethyl-5-pyridin-2-yl-4H-1,2,4-triazole-3-thiol?

The CAS number of 4-ethyl-5-pyridin-2-yl-4H-1,2,4-triazole-3-thiol is 438231-11-9.

What are the molecular formula and molecular weight of 4-ethyl-5-pyridin-2-yl-4H-1,2,4-triazole-3-thiol?

4-ethyl-5-pyridin-2-yl-4H-1,2,4-triazole-3-thiol has molecular formula C9H10N4S and molecular weight 206.26700 g/mol.

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

Last updated:

How to cite: Jingsj. "4-ethyl-5-pyridin-2-yl-4H-1,2,4-triazole-3-thiol (CAS 438231-11-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1001657-0 (accessed 2026-10-25).

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