3-(4-Bromophenyl)-1,2,4-oxadiazol-5(4H)-one

3-(4-溴苯基)-1,2,4-噁二唑-5(4H)-酮

Also known as: 3-(4-Bromophenyl)-4,5-dihydro-1,2,4-oxadiazol-5-one, 3-(4-bromophenyl)-4H-1,2,4-oxadiazol-5-one, 1,2,4-Oxadiazol-5(2H)-one, 3-(4-bromophenyl)-

3-(4-Bromophenyl)-1,2,4-oxadiazol-5(4H)-one (CAS 16672-19-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H5BrN2O2 and a molecular weight of 241.04100 g/mol. It is also known as 3-(4-Bromophenyl)-4,5-dihydro-1,2,4-oxadiazol-5-one, 3-(4-bromophenyl)-4H-1,2,4-oxadiazol-5-one and 1,2,4-Oxadiazol-5(2H)-one, 3-(4-bromophenyl)-. Key properties include a boiling point of 286.671ºC at 760 mmHg, a density of 1.853g/cm3 and a flash point of 127.174ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 16672-19-8
Jingsj CID: J-1069628-2
Molecular Formula: C₈H₅BrN₂O₂
Chinese Name: 3-(4-溴苯基)-1,2,4-噁二唑-5(4H)-酮
Molecular Weight: 241.04100 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	286.671ºC at 760 mmHg
Density	1.853g/cm3
Flash Point	127.174ºC
Exact Mass	239.95300
PSA	58.89000
LogP	1.79240
Vapor Pressure	0.003mmHg at 25°C
Refractive Index	1.699

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. 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-(4-Bromophenyl)-1,2,4-oxadiazol-5(4H)-one?

The CAS number of 3-(4-Bromophenyl)-1,2,4-oxadiazol-5(4H)-one is 16672-19-8.

What are the molecular formula and molecular weight of 3-(4-Bromophenyl)-1,2,4-oxadiazol-5(4H)-one?

3-(4-Bromophenyl)-1,2,4-oxadiazol-5(4H)-one has molecular formula C8H5BrN2O2 and molecular weight 241.04100 g/mol.

What are the upstream and downstream products of 3-(4-Bromophenyl)-1,2,4-oxadiazol-5(4H)-one?

For 3-(4-Bromophenyl)-1,2,4-oxadiazol-5(4H)-one, Upstream Products: 4-Bromo-N'-hydroxybenzimidamide, 1,1'-Carbonyldiimidazole, Potassium cyanate.

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

Last updated: 8/21/2026

How to cite: Jingsj. "3-(4-Bromophenyl)-1,2,4-oxadiazol-5(4H)-one (CAS 16672-19-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1069628-2 (accessed 2026-10-28).

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