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

Also known as: 1,3,4-OXADIAZOL-2(3H)-ONE, 5-(3-BROMOPHENYL)-, 5-(3-BROMO-PHENYL)-3H-[1,3,4]OXADIAZOL-2-ONE, 5-(3-Bromophenyl)-3H-[1,3,4]oxadiazol-2-one, 5-(3-bromophenyl)-2,3-dihydro-1,3,4-oxadiazol-2-one, 5-(3-bromophenyl)-3H-1,3,4-oxadiazol-2-one

5-(3-Bromophenyl)-1,3,4-oxadiazol-2(3H)-one (CAS 873090-18-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H5BrN2O2 and a molecular weight of 241.042 g/mol. Key properties include a melting point of 185.6-186.3 °C and a density of 1.9±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 873090-18-7
Jingsj CID: J-1526676-9
Molecular Formula: C₈H₅BrN₂O₂
Molecular Weight: 241.042 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	185.6-186.3 °C
Density	1.9±0.1 g/cm3
Exact Mass	239.953430
PSA	58.89000
LogP	1.31
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 5-(3-Bromophenyl)-1,3,4-oxadiazol-2(3H)-one?

The CAS number of 5-(3-Bromophenyl)-1,3,4-oxadiazol-2(3H)-one is 873090-18-7.

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

5-(3-Bromophenyl)-1,3,4-oxadiazol-2(3H)-one has molecular formula C8H5BrN2O2 and molecular weight 241.042 g/mol.

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

For 5-(3-Bromophenyl)-1,3,4-oxadiazol-2(3H)-one, Upstream Products: 3-Bromobenzhydrazide, 1,1'-Carbonyldiimidazole, Bis(trichloromethyl) carbonate.

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

Last updated: 8/21/2026

How to cite: Jingsj. "5-(3-Bromophenyl)-1,3,4-oxadiazol-2(3H)-one (CAS 873090-18-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1526676-9 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.