2,5-Bis(4-pyridyl)-1,3,4-oxadiazole

2,5-二(4-吡啶基)-1,3,4-噁二唑

Also known as: 2,5-Di(pyridin-4-yl)-1,3,4-oxadiazole, 4,4'-(1,3,4-Oxadiazole-2,5-diyl)dipyridine, 2,5-Bis(4-pyridinyl)-1,3,4-oxadiazole, 2,5-Di(4-pyridyl)-1,3,4-oxadiazole, Isoniazid oxadiazole Impurity 3

2,5-Bis(4-pyridyl)-1,3,4-oxadiazole (CAS 15420-02-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H8N4O and a molecular weight of 224.21800 g/mol. It is also known as 2,5-Di(pyridin-4-yl)-1,3,4-oxadiazole, 4,4'-(1,3,4-Oxadiazole-2,5-diyl)dipyridine and 2,5-Bis(4-pyridinyl)-1,3,4-oxadiazole. Key properties include a melting point of 184.5-185℃, a boiling point of 453.8ºC at 760mmHg, a density of 1.276g/cm3 and a flash point of 240.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
15420-02-7
Jingsj CID
J-1321673-3
Molecular Formula
C12H8N4O
Chinese Name
2,5-二(4-吡啶基)-1,3,4-噁二唑
Molecular Weight
224.21800 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point184.5-185℃
Boiling Point453.8ºC at 760mmHg
Density1.276g/cm3
Flash Point240.3ºC

Frequently Asked Questions

What is the CAS number of 2,5-Bis(4-pyridyl)-1,3,4-oxadiazole?

The CAS number of 2,5-Bis(4-pyridyl)-1,3,4-oxadiazole is 15420-02-7.

What are the molecular formula and molecular weight of 2,5-Bis(4-pyridyl)-1,3,4-oxadiazole?

2,5-Bis(4-pyridyl)-1,3,4-oxadiazole has molecular formula C12H8N4O and molecular weight 224.21800 g/mol.

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

Last updated:

How to cite: Jingsj. "2,5-Bis(4-pyridyl)-1,3,4-oxadiazole (CAS 15420-02-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1321673-3 (accessed 2026-10-22).

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