5-ethyl-1H-pyrazole-3-carboxylic acid
Also known as: 3-ethyl-1H-pyrazole-5-carboxylic acid, 3-ethyl-1H-pyrazol-5-carboxylic acid, 3-ethyl-1H-pyrazolo-5-carboxylic acid, 5-ethyl-1H-pyrazole-3-carboxylic acid, 3-ethyl-pyrazole-5-carboxylic acid, 1H-Pyrazole-3-carboxylic acid, 5-ethyl-, AKOS PAO-0830, PYR324
5-ethyl-1H-pyrazole-3-carboxylic acid (CAS 4027-59-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H8N2O2 and a molecular weight of 140.14000 g/mol. Key properties include a boiling point of 385.5ºC at 760mmHg, a density of 1.318g/cm3 and a flash point of 186.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4027-59-2
- Jingsj CID
- J-1411877-5
- Molecular Formula
- C6H8N2O2
- Molecular Weight
- 140.14000 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 385.5ºC at 760mmHg |
|---|---|
| Density | 1.318g/cm3 |
| Flash Point | 186.9ºC |
| Exact Mass | 140.05900 |
| PSA | 65.98000 |
| LogP | 0.67030 |
| Vapor Pressure | 1.24E-06mmHg at 25°C |
| Refractive Index | 1.577 |
Customs & Trade Information
| HS Code | 2933199090 |
|---|---|
| Summary | 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. 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-ethyl-1H-pyrazole-3-carboxylic acid?
The CAS number of 5-ethyl-1H-pyrazole-3-carboxylic acid is 4027-59-2.
What are the molecular formula and molecular weight of 5-ethyl-1H-pyrazole-3-carboxylic acid?
5-ethyl-1H-pyrazole-3-carboxylic acid has molecular formula C6H8N2O2 and molecular weight 140.14000 g/mol.
What are the upstream and downstream products of 5-ethyl-1H-pyrazole-3-carboxylic acid?
For 5-ethyl-1H-pyrazole-3-carboxylic acid, Upstream Products: Ethyl 3-ethyl-1H-pyrazole-5-carboxylate, 2-Hydroxy-5-sulfopyridine-3-carboxylic acid, Ethyl 2,4-dioxohexanoate.
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-ethyl-1H-pyrazole-3-carboxylic acid (CAS 4027-59-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1411877-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.