Ethyl 4-pyrazolecarboxylate
Also known as: Ethyl 1H-pyrazole-4-carboxylate, Ethyl pyrazole-4-carboxylate, 4-Pyrazolecarboxylic acid ethyl ester, 1H-Pyrazole-4-carboxylic acid ethyl ester, 4-Ethoxycarbonylpyrazole
Ethyl 4-pyrazolecarboxylate (CAS 37622-90-5) 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 140.14 g/mol. Key properties include a melting point of 78-80 °C(lit.), a boiling point of 307.8±0.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 122.7±19.8 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 37622-90-5
- Jingsj CID
- J-12712-8
- Molecular Formula
- C6H8N2O2
- Molecular Weight
- 140.14 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 78-80 °C(lit.) |
|---|---|
| Boiling Point | 307.8±0.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 122.7±19.8 °C |
| Exact Mass | 140.058578 |
| PSA | 54.98000 |
| LogP | 1.25 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.522 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 Ethyl 4-pyrazolecarboxylate?
The CAS number of Ethyl 4-pyrazolecarboxylate is 37622-90-5.
What are the molecular formula and molecular weight of Ethyl 4-pyrazolecarboxylate?
Ethyl 4-pyrazolecarboxylate has molecular formula C6H8N2O2 and molecular weight 140.14 g/mol.
Is Ethyl 4-pyrazolecarboxylate hazardous?
Ethyl 4-pyrazolecarboxylate has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of Ethyl 4-pyrazolecarboxylate?
For Ethyl 4-pyrazolecarboxylate, Upstream Products: Ethyl 2-formyl-3-oxopropanoate, Ethyl 3-amino-1H-pyrazole-4-carboxylate, 1H-Pyrazole-4-carboxylic acid; Downstream Products: 1H-Pyrazole-4-carboxylic acid, ethyl 1-benzyl-1H-pyrazole-4-carboxylate, 1H-Pyrazole-4-carboxaldehyde.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ethyl 4-pyrazolecarboxylate (CAS 37622-90-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-12712-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.