Methyl 5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylate
Also known as: Methyl 5-hydroxypyrazole-3-carboxylate, Methyl 3-hydroxy-1H-pyrazole-5-carboxylate, Methyl 5-hydroxy-1H-pyrazole-3-carboxylate, Methyl 3-hydroxypyrazole-5-carboxylate, 5-Hydroxy-1H-pyrazole-3-carboxylic acid methyl ester, 5-Oxo-2,5-dihydro-1H-pyrazole-3-carboxylic acid methyl ester, 1H-Pyrazole-3-carboxylic acid, 2,5-dihydro-5-oxo-, methyl ester
Methyl 5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylate (CAS 86625-25-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H6N2O3 and a molecular weight of 142.11300 g/mol. Key property: a density of 1.338g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 86625-25-4
- Jingsj CID
- J-1163038-9
- Molecular Formula
- C5H6N2O3
- Molecular Weight
- 142.11300 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Density | 1.338g/cm3 |
|---|---|
| Exact Mass | 142.03800 |
| PSA | 75.21000 |
| Refractive Index | 1.499 |
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 Methyl 5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylate?
The CAS number of Methyl 5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylate is 86625-25-4.
What are the molecular formula and molecular weight of Methyl 5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylate?
Methyl 5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylate has molecular formula C5H6N2O3 and molecular weight 142.11300 g/mol.
What are the upstream and downstream products of Methyl 5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylate?
For Methyl 5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylate, Downstream Products: Dimethyl acetylenedicarboxylate, Methyl 2-methyl-5-oxo-2,5-dihydro-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. "Methyl 5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylate (CAS 86625-25-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1163038-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.