5-(pyridin-2-yl)-1,3-oxazole

Also known as: 5-(2-Pyridyl)-1,3-oxazole, 5-(2-PYRIDYL)-1,3-OXAZOLE, 5-(Pyrid-2-yl)1,3-oxazole, 5-(Pyridin-2-yl)oxazole, 2-(5-Oxazolyl)pyridine, 2-Oxazol-5-yl-pyridine, 2-oxazol-5-yl-pyridine, 5-(PYRID-2-YL)OXAZOLE, BUTTPARK 145\08-78, Pyridine,2-(5-oxazolyl)-

5-(pyridin-2-yl)-1,3-oxazole (CAS 70380-73-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H6N2O and a molecular weight of 146.14600 g/mol. Key properties include a boiling point of 279.1ºC at 760 mmHg, a density of 1.179g/cm3 and a flash point of 129.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 70380-73-3
Jingsj CID: J-1352661-9
Molecular Formula: C₈H₆N₂O
Molecular Weight: 146.14600 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	279.1ºC at 760 mmHg
Density	1.179g/cm3
Flash Point	129.7ºC
Exact Mass	146.04800
PSA	38.92000
LogP	1.73660
Refractive Index	1.547

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-(pyridin-2-yl)-1,3-oxazole?

The CAS number of 5-(pyridin-2-yl)-1,3-oxazole is 70380-73-3.

What are the molecular formula and molecular weight of 5-(pyridin-2-yl)-1,3-oxazole?

5-(pyridin-2-yl)-1,3-oxazole has molecular formula C8H6N2O and molecular weight 146.14600 g/mol.

What are the upstream and downstream products of 5-(pyridin-2-yl)-1,3-oxazole?

For 5-(pyridin-2-yl)-1,3-oxazole, Upstream Products: 2-Pyridinecarboxaldehyde, Oxazole, 2-Chloropyridine.

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-(pyridin-2-yl)-1,3-oxazole (CAS 70380-73-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1352661-9 (accessed 2026-11-09).

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