5-methylfuran-3-carboxylic acid
Also known as: 3-furancarboxylic acid, 5-methyl-, 5-methyl-3-furoic acid, 2-methyl-4-furoic acid, 5-methyl-3-furancarboxylic acid, 5-methyl-3-furylcarboxylic acid, 5-methyl-furan-3-carboxylic acid, QC-9860
5-methylfuran-3-carboxylic acid (CAS 21984-93-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H6O3 and a molecular weight of 126.11000 g/mol. Key properties include a melting point of 119℃, a boiling point of 234.8ºC at 760 mmHg, a density of 1.248g/cm3 and a flash point of 95.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 21984-93-0
- Jingsj CID
- J-1521279-0
- Molecular Formula
- C6H6O3
- Molecular Weight
- 126.11000 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 119℃ |
|---|---|
| Boiling Point | 234.8ºC at 760 mmHg |
| Density | 1.248g/cm3 |
| Flash Point | 95.8ºC |
| Exact Mass | 126.03200 |
| PSA | 50.44000 |
| LogP | 1.28620 |
| Vapor Pressure | 0.0286mmHg at 25°C |
| Refractive Index | 1.511 |
Customs & Trade Information
| HS Code | 2932190090 |
|---|---|
| Summary | 2932190090 other compounds containing an unfused furan ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 5-methylfuran-3-carboxylic acid?
The CAS number of 5-methylfuran-3-carboxylic acid is 21984-93-0.
What are the molecular formula and molecular weight of 5-methylfuran-3-carboxylic acid?
5-methylfuran-3-carboxylic acid has molecular formula C6H6O3 and molecular weight 126.11000 g/mol.
What are the upstream and downstream products of 5-methylfuran-3-carboxylic acid?
For 5-methylfuran-3-carboxylic acid, Upstream Products: ethyl 5-methylfuran-3-carboxylate, 5-Formylfuran-3-carboxylic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-methylfuran-3-carboxylic acid (CAS 21984-93-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1521279-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.