5-Methyl-3-phenyl-1,2,4-oxadiazole

5-甲基-3-苯基-1,2,4-恶二唑

Also known as: 3-Phenyl-5-methyl-1,2,4-oxadiazole, 5-methyl-3-phenyl-1,2,4-oxadiazole, 1,2,4-Oxadiazole, 5-methyl-3-phenyl-, MFCD00085133, Phenylmethyloxadiazole

5-Methyl-3-phenyl-1,2,4-oxadiazole (CAS 1198-98-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H8N2O and a molecular weight of 160.173 g/mol. It is also known as 3-Phenyl-5-methyl-1,2,4-oxadiazole, 5-methyl-3-phenyl-1,2,4-oxadiazole and 1,2,4-Oxadiazole, 5-methyl-3-phenyl-. Key properties include a melting point of 33-36°C, a boiling point of 281.1±23.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 126.0±16.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1198-98-7
Jingsj CID
J-4491-8
Molecular Formula
C9H8N2O
Chinese Name
5-甲基-3-苯基-1,2,4-恶二唑
Molecular Weight
160.173 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point33-36°C
Boiling Point281.1±23.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point126.0±16.6 °C

Frequently Asked Questions

What is the CAS number of 5-Methyl-3-phenyl-1,2,4-oxadiazole?

The CAS number of 5-Methyl-3-phenyl-1,2,4-oxadiazole is 1198-98-7.

What are the molecular formula and molecular weight of 5-Methyl-3-phenyl-1,2,4-oxadiazole?

5-Methyl-3-phenyl-1,2,4-oxadiazole has molecular formula C9H8N2O and molecular weight 160.173 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Methyl-3-phenyl-1,2,4-oxadiazole (CAS 1198-98-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4491-8 (accessed 2026-10-22).

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