5-(Benzylthio)-4-chloro-2-phenylpyridazin-3(2H)-one

5-苄基硫代-4-氯-2-苯基哒嗪-3(2H)-酮

Also known as: 3(2H)-Pyridazinone, 4-chloro-2-phenyl-5-[(phenylmethyl)thio]-, 5-Benzylsulfanyl-4-chloro-2-phenyl-2H-pyridazin-3-one, 5-Benzylsulfanyl-4-chloro-2-phenylpyridazin-3-one, 4-Chloro-2-phenyl-5-(benzylthio)pyridazin-3(2H)-one

5-(Benzylthio)-4-chloro-2-phenylpyridazin-3(2H)-one (CAS 16461-34-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C17H13ClN2OS and a molecular weight of 328.81600 g/mol. It is also known as 3(2H)-Pyridazinone, 4-chloro-2-phenyl-5-[(phenylmethyl)thio]-, 5-Benzylsulfanyl-4-chloro-2-phenyl-2H-pyridazin-3-one and 5-Benzylsulfanyl-4-chloro-2-phenylpyridazin-3-one. Key properties include a melting point of 138ºC, a boiling point of 439.9ºC at 760mmHg, a density of 1.27g/cm3 and a flash point of 219.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
16461-34-0
Jingsj CID
J-1373829-3
Molecular Formula
C17H13ClN2OS
Chinese Name
5-苄基硫代-4-氯-2-苯基哒嗪-3(2H)-酮
Molecular Weight
328.81600 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point138ºC
Boiling Point439.9ºC at 760mmHg
Density1.27g/cm3
Flash Point219.8ºC

Frequently Asked Questions

What is the CAS number of 5-(Benzylthio)-4-chloro-2-phenylpyridazin-3(2H)-one?

The CAS number of 5-(Benzylthio)-4-chloro-2-phenylpyridazin-3(2H)-one is 16461-34-0.

What are the molecular formula and molecular weight of 5-(Benzylthio)-4-chloro-2-phenylpyridazin-3(2H)-one?

5-(Benzylthio)-4-chloro-2-phenylpyridazin-3(2H)-one has molecular formula C17H13ClN2OS and molecular weight 328.81600 g/mol.

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

Last updated:

How to cite: Jingsj. "5-(Benzylthio)-4-chloro-2-phenylpyridazin-3(2H)-one (CAS 16461-34-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1373829-3 (accessed 2026-10-25).

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