Oxazole-5-carboxylic acid
噁唑-5-羧酸
Also known as: 1,3-Oxazole-5-carboxylic acid, 1,3-Oxazole-5-carboxylic acid 98%, 5-Carboxy-1,3-oxazole, 5-OXAZOLECARBOXYLIC ACID, 5-Oxazolecarboxylic acid, 5-Oxazolecarboxylicacid(9CI), OXAZOLE-5-CARBOXYLIC ACID, oxazol-5-carboxylic acid
Oxazole-5-carboxylic acid (CAS 118994-90-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H3NO3 and a molecular weight of 113.072 g/mol. It is also known as 1,3-Oxazole-5-carboxylic acid, 1,3-Oxazole-5-carboxylic acid 98% and 5-Carboxy-1,3-oxazole. Key properties include a melting point of 195-197ºC, a boiling point of 289.3±13.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 128.8±19.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 118994-90-4
- Jingsj CID
- J-1509579-6
- Molecular Formula
- C4H3NO3
- Chinese Name
- 噁唑-5-羧酸
- Molecular Weight
- 113.072 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 195-197ºC |
|---|---|
| Boiling Point | 289.3±13.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 128.8±19.8 °C |
Frequently Asked Questions
What is the CAS number of Oxazole-5-carboxylic acid?
The CAS number of Oxazole-5-carboxylic acid is 118994-90-4.
What are the molecular formula and molecular weight of Oxazole-5-carboxylic acid?
Oxazole-5-carboxylic acid has molecular formula C4H3NO3 and molecular weight 113.072 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Oxazole-5-carboxylic acid (CAS 118994-90-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1509579-6 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.