Methyl 2-methyl-5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylate
Also known as: Methyl 3-hydroxy-1-methyl-1H-pyrazole-5-carboxylate, 2,5-Dihydro-2-methyl-5-oxo-1H-pyrazole-3-carboxylic acid methyl ester, 1H-Pyrazole-3-carboxylic acid, 2,5-dihydro-2-methyl-5-oxo-, methyl ester, 5-hydroxy-2-methyl-2H-pyrazole-3-carboxylic acid methyl ester, Methyl 3-hydroxy-1-methylpyrazole-5-carboxylate
Methyl 2-methyl-5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylate (CAS 52867-42-2) 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 156.13900 g/mol. Key properties include a boiling point of 330.7ºC at 760mmHg, a density of 1.288g/cm3 and a flash point of 153.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 52867-42-2
- Jingsj CID
- J-1073259-9
- Molecular Formula
- C6H8N2O3
- Molecular Weight
- 156.13900 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 330.7ºC at 760mmHg |
|---|---|
| Density | 1.288g/cm3 |
| Flash Point | 153.8ºC |
| Exact Mass | 156.05300 |
| PSA | 64.09000 |
| Refractive Index | 1.508 |
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 2-methyl-5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylate?
The CAS number of Methyl 2-methyl-5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylate is 52867-42-2.
What are the molecular formula and molecular weight of Methyl 2-methyl-5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylate?
Methyl 2-methyl-5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylate has molecular formula C6H8N2O3 and molecular weight 156.13900 g/mol.
What are the upstream and downstream products of Methyl 2-methyl-5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylate?
For Methyl 2-methyl-5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylate, Upstream Products: Methylhydrazine sulfate, Dimethyl acetylenedicarboxylate, Methyl 5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylate; Downstream Products: 3-Methoxy-1-methyl-1H-pyrazole-5-carboxylic acid.
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 2-methyl-5-oxo-2,5-dihydro-1H-pyrazole-3-carboxylate (CAS 52867-42-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1073259-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.