5-(4-chlorophenyl)-1,3,4-oxadiazole-2(3H)-thione

5-(4-氯苯基)-1,3,4-噁二唑-2(3H)-硫酮

Also known as: 2-(4-chlorophenyl)-5-sulphanyl-1,3,4-oxadiazole, 2-mercapto-5-(4-chlorophenyl)-1,3,4-oxadiazole, 1,3,4-oxadiazole-2(3h)-thione, 5-(4-chlorophenyl)-, 5-(4-chlorophenyl)-1,3,4-oxadiazole-2-thiol, 5-(4-chlorophenyl)-3h-1,3,4-oxadiazole-2-thione, 5-(4-chlorophenyl)-1,3,4-oxadiazole-2(3h)-thione, 5-(4-chlor-phenyl)-2-mercapto-1,3,4-oxadiazol

5-(4-chlorophenyl)-1,3,4-oxadiazole-2(3H)-thione (CAS 23766-28-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H4ClN2OT and a molecular weight of 182.59900 g/mol. It is also known as 2-(4-chlorophenyl)-5-sulphanyl-1,3,4-oxadiazole, 2-mercapto-5-(4-chlorophenyl)-1,3,4-oxadiazole and 1,3,4-oxadiazole-2(3h)-thione, 5-(4-chlorophenyl)-. Key properties include a melting point of 171-175ºC, a boiling point of 277ºC at 760mmHg, a density of 1.53g/cm3 and a flash point of 121.3ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
23766-28-1
Jingsj CID
J-1143527-3
Molecular Formula
C8H4ClN2OT
Chinese Name
5-(4-氯苯基)-1,3,4-噁二唑-2(3H)-硫酮
Molecular Weight
182.59900 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point171-175ºC
Boiling Point277ºC at 760mmHg
Density1.53g/cm3
Flash Point121.3ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 5-(4-chlorophenyl)-1,3,4-oxadiazole-2(3H)-thione?

The CAS number of 5-(4-chlorophenyl)-1,3,4-oxadiazole-2(3H)-thione is 23766-28-1.

What are the molecular formula and molecular weight of 5-(4-chlorophenyl)-1,3,4-oxadiazole-2(3H)-thione?

5-(4-chlorophenyl)-1,3,4-oxadiazole-2(3H)-thione has molecular formula C8H4ClN2OT and molecular weight 182.59900 g/mol.

Is 5-(4-chlorophenyl)-1,3,4-oxadiazole-2(3H)-thione hazardous?

5-(4-chlorophenyl)-1,3,4-oxadiazole-2(3H)-thione has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "5-(4-chlorophenyl)-1,3,4-oxadiazole-2(3H)-thione (CAS 23766-28-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1143527-3 (accessed 2026-10-25).

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