5-(4-ethynylphenyl)-1,3-oxazole
5-(4-乙炔苯基)-1,3-噁唑
Also known as: 5-(4-Ethynylphenyl)oxazole, 4-(1,3-Oxazol-5-yl)phenylacetylene, 5-(4-Ethynylphenyl)-1,3-oxazole 97%, 5-(4-Ethynylphenyl)-1,3-oxazole97%, Oxazole, 5-(4-ethynylphenyl)-, Oxazole,5-(4-ethynylphenyl)
5-(4-ethynylphenyl)-1,3-oxazole (CAS 501944-63-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H7NO and a molecular weight of 169.17900 g/mol. It is also known as 5-(4-Ethynylphenyl)oxazole, 4-(1,3-Oxazol-5-yl)phenylacetylene and 5-(4-Ethynylphenyl)-1,3-oxazole 97%. Key properties include a melting point of 75.5-77.5ºC, a boiling point of 290.1ºC at 760 mmHg, a density of 1.18g/cm3 and a flash point of 116.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 501944-63-4
- Jingsj CID
- J-1459797-2
- Molecular Formula
- C11H7NO
- Chinese Name
- 5-(4-乙炔苯基)-1,3-噁唑
- Molecular Weight
- 169.17900 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 75.5-77.5ºC |
|---|---|
| Boiling Point | 290.1ºC at 760 mmHg |
| Density | 1.18g/cm3 |
| Flash Point | 116.3ºC |
Frequently Asked Questions
What is the CAS number of 5-(4-ethynylphenyl)-1,3-oxazole?
The CAS number of 5-(4-ethynylphenyl)-1,3-oxazole is 501944-63-4.
What are the molecular formula and molecular weight of 5-(4-ethynylphenyl)-1,3-oxazole?
5-(4-ethynylphenyl)-1,3-oxazole has molecular formula C11H7NO and molecular weight 169.17900 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-(4-ethynylphenyl)-1,3-oxazole (CAS 501944-63-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1459797-2 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.