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

3-甲基-5-苯基-1,2,4-噁二唑

Also known as: 3-METHYL-5-PHENYL-1,2,4-OXADIAZOLE, 1,2,4-Oxadiazole, 3-methyl-5-phenyl-, 3-Methyl-5-phenyl-1,2,4-oxadiazol, 3-Methyl-5-phenyl-oxadiazol-(1,2,4), 3-methyl-5-phenyl-[1,2,4]oxadiazole, 3-Methyl-5-phenyl-1,2,4-oxdiazol

3-Methyl-5-phenyl-1,2,4-oxadiazole (CAS 1199-00-4) 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 160.17300 g/mol. It is also known as 3-METHYL-5-PHENYL-1,2,4-OXADIAZOLE, 1,2,4-Oxadiazole, 3-methyl-5-phenyl- and 3-Methyl-5-phenyl-1,2,4-oxadiazol. Key properties include a boiling point of 281.1ºC at 760mmHg, a density of 1.142g/cm3 and a flash point of 126ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1199-00-4
Jingsj CID
J-47192-3
Molecular Formula
C9H8N2O
Chinese Name
3-甲基-5-苯基-1,2,4-噁二唑
Molecular Weight
160.17300 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point281.1ºC at 760mmHg
Density1.142g/cm3
Flash Point126ºC
Exact Mass160.06400
PSA38.92000
LogP2.04500
Vapor Pressure0.00618mmHg at 25°C
Refractive Index1.542

Customs & Trade Information

HS Code2934999090
Summary2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

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

The CAS number of 3-Methyl-5-phenyl-1,2,4-oxadiazole is 1199-00-4.

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

3-Methyl-5-phenyl-1,2,4-oxadiazole has molecular formula C9H8N2O and molecular weight 160.17300 g/mol.

What are the upstream and downstream products of 3-Methyl-5-phenyl-1,2,4-oxadiazole?

For 3-Methyl-5-phenyl-1,2,4-oxadiazole, Upstream Products: Benzoyl chloride, Benzonitrile; Downstream Products: 2-Methyl-4(3H)-quinazolinone, Benzamide.

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

Last updated:

How to cite: Jingsj. "3-Methyl-5-phenyl-1,2,4-oxadiazole (CAS 1199-00-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47192-3 (accessed 2026-10-28).

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