Ethyl 5-hydroxy-1H-pyrazole-3-carboxylate
Also known as: 5-hydroxyl-1H-pyrazole-3-ethyl carboxylate, 1H-Pyrazole-3-carboxylic acid, 5-hydroxy-, ethyl ester, Ethyl 5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylate, EOS-61141
Ethyl 5-hydroxy-1H-pyrazole-3-carboxylate (CAS 85230-37-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H8N2O3 and a molecular weight of 156.139 g/mol. Key properties include a boiling point of 400.1±25.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 195.8±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 85230-37-1
- Jingsj CID
- J-1140817-6
- Molecular Formula
- C6H8N2O3
- Molecular Weight
- 156.139 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 400.1±25.0 °C at 760 mmHg |
|---|---|
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 195.8±23.2 °C |
| Exact Mass | 156.053497 |
| PSA | 67.76000 |
| LogP | 0.99 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.565 |
| Storage Conditions | 2-8°C |
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 5-hydroxy-1H-pyrazole-3-carboxylate?
The CAS number of Ethyl 5-hydroxy-1H-pyrazole-3-carboxylate is 85230-37-1.
What are the molecular formula and molecular weight of Ethyl 5-hydroxy-1H-pyrazole-3-carboxylate?
Ethyl 5-hydroxy-1H-pyrazole-3-carboxylate has molecular formula C6H8N2O3 and molecular weight 156.139 g/mol.
What are the upstream and downstream products of Ethyl 5-hydroxy-1H-pyrazole-3-carboxylate?
For Ethyl 5-hydroxy-1H-pyrazole-3-carboxylate, Upstream Products: Hydrazine monohydrochloride, Diethyl oxalacetate sodium salt, Ethanol; Downstream Products: ethyl 6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine-2-carboxylate.
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 5-hydroxy-1H-pyrazole-3-carboxylate (CAS 85230-37-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1140817-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.