Ethyl 5-hydroxy-1-methyl-1H-pyrazole-3-carboxylate
Also known as: 5-Hydroxy-1-methyl-1H-pyrazole-3-carboxylic acid ethyl ester, 1H-Pyrazole-3-carboxylic acid, 5-hydroxy-1-methyl-, ethyl ester, Ethyl 5-hydroxy-1-methyl-3-pyrazolecarboxylate, Ethyl 1-methyl-5-hydroxypyrazole-3-carboxylate, Ethyl 2-methyl-3-oxo-1H-pyrazole-5-carboxylate
Ethyl 5-hydroxy-1-methyl-1H-pyrazole-3-carboxylate (CAS 51986-17-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H10N2O3 and a molecular weight of 170.16600 g/mol. Key properties include a boiling point of 337.2ºC at 760mmHg, a density of 1.29g/cm3 and a flash point of 157.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 51986-17-5
- Jingsj CID
- J-860788-3
- Molecular Formula
- C7H10N2O3
- Molecular Weight
- 170.16600 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 337.2ºC at 760mmHg |
|---|---|
| Density | 1.29g/cm3 |
| Flash Point | 157.7ºC |
| Exact Mass | 170.06900 |
| PSA | 64.35000 |
| LogP | 0.30240 |
| Refractive Index | 1.551 |
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-1-methyl-1H-pyrazole-3-carboxylate?
The CAS number of Ethyl 5-hydroxy-1-methyl-1H-pyrazole-3-carboxylate is 51986-17-5.
What are the molecular formula and molecular weight of Ethyl 5-hydroxy-1-methyl-1H-pyrazole-3-carboxylate?
Ethyl 5-hydroxy-1-methyl-1H-pyrazole-3-carboxylate has molecular formula C7H10N2O3 and molecular weight 170.16600 g/mol.
What are the upstream and downstream products of Ethyl 5-hydroxy-1-methyl-1H-pyrazole-3-carboxylate?
For Ethyl 5-hydroxy-1-methyl-1H-pyrazole-3-carboxylate, Upstream Products: Diethyl oxalacetate sodium salt, Ethanol, Ethyl 4,4,4-trichloroacetoacetate; Downstream Products: 5-Hydroxy-1-methyl-1H-pyrazole-3-carboxylic acid, Ethyl 5-chloro-4-formyl-1-methyl-1H-pyrazole-3-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-1-methyl-1H-pyrazole-3-carboxylate (CAS 51986-17-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-860788-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.