5-(p-Tolyl)oxazole

Also known as: 5-(4-METHYLPHENYL)-1,3-OXAZOLE, 5-(4-METHYLPHENYL)OXAZOLE, 5-(4-Methylphenyl)-1,3-oxazole, MFCD00085134, Oxazole, 5-(4-methylphenyl)-, 4-(1,3-Oxazol-5-yl)toluene

5-(p-Tolyl)oxazole (CAS 143659-19-2) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C10H9NO and a molecular weight of 159.18500 g/mol. Key properties include a melting point of 65-67ºC, a boiling point of 273.9ºC at 760mmHg, a density of 1.082g/cm3 and a flash point of 108.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 143659-19-2
Jingsj CID: J-1500478-1
Molecular Formula: C₁₀H₉NO
Molecular Weight: 159.18500 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	65-67ºC
Boiling Point	273.9ºC at 760mmHg
Density	1.082g/cm3
Flash Point	108.6ºC
Exact Mass	159.06800
PSA	26.03000
LogP	2.65000
Vapor Pressure	0.00936mmHg at 25°C
Refractive Index	1.539

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-(p-Tolyl)oxazole?

The CAS number of 5-(p-Tolyl)oxazole is 143659-19-2.

What are the molecular formula and molecular weight of 5-(p-Tolyl)oxazole?

5-(p-Tolyl)oxazole has molecular formula C10H9NO and molecular weight 159.18500 g/mol.

What are the upstream and downstream products of 5-(p-Tolyl)oxazole?

For 5-(p-Tolyl)oxazole, Upstream Products: p-Tolualdehyde, Oxazole, 4-Bromotoluene.

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-(p-Tolyl)oxazole (CAS 143659-19-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1500478-1 (accessed 2026-11-09).

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