![Molecular structure of Ethyl 4,7-dihydro-7-oxopyrazolo[1,5-a]pyrimidine-3-carboxylate (CAS 104556-86-7)](/images/chem_structures_svg/232/104556-86-7.svg)
Ethyl 4,7-dihydro-7-oxopyrazolo[1,5-a]pyrimidine-3-carboxylate
Also known as: ethyl 7-oxo-4,7-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate, ethyl 4,5-dihydro-5-oxopyrazolo[1,5-a]pyrimidine-3-carboxylate, ethyl 7-oxo-4H-pyrazolo[1,5-a]pyrimidine-3-carboxylate, 7-oxo-4,7-dihydro-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid ethyl ester, Pyrazolo[1,5-a]pyrimidine-3-carboxylic acid, 4,7-dihydro-7-oxo-, ethyl ester, 3-ethoxycarbonylpyrazolo<1,5-a>pyrimidin-7-one, ethyl 7-oxo-4,7-dihydropyrazolo[1,5-a]pyriMidine-3-carboxylate
Ethyl 4,7-dihydro-7-oxopyrazolo[1,5-a]pyrimidine-3-carboxylate (CAS 104556-86-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H9N3O3 and a molecular weight of 207.18600 g/mol. Key properties include a boiling point of 377.203ºC at 760 mmHg, a density of 1.471g/cm3 and a flash point of 181.926ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 104556-86-7
- Jingsj CID
- J-1505276-3
- Molecular Formula
- C9H9N3O3
- Molecular Weight
- 207.18600 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 377.203ºC at 760 mmHg |
|---|---|
| Density | 1.471g/cm3 |
| Flash Point | 181.926ºC |
| Exact Mass | 207.06400 |
| PSA | 76.46000 |
| LogP | 0.19930 |
| Vapor Pressure | 0mmHg at 25°C |
| Refractive Index | 1.658 |
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 4,7-dihydro-7-oxopyrazolo[1,5-a]pyrimidine-3-carboxylate?
The CAS number of Ethyl 4,7-dihydro-7-oxopyrazolo[1,5-a]pyrimidine-3-carboxylate is 104556-86-7.
What are the molecular formula and molecular weight of Ethyl 4,7-dihydro-7-oxopyrazolo[1,5-a]pyrimidine-3-carboxylate?
Ethyl 4,7-dihydro-7-oxopyrazolo[1,5-a]pyrimidine-3-carboxylate has molecular formula C9H9N3O3 and molecular weight 207.18600 g/mol.
What are the upstream and downstream products of Ethyl 4,7-dihydro-7-oxopyrazolo[1,5-a]pyrimidine-3-carboxylate?
For Ethyl 4,7-dihydro-7-oxopyrazolo[1,5-a]pyrimidine-3-carboxylate, Upstream Products: Ethyl acetate, Ethyl 5-amino-1H-pyrazole-4-carboxylate, Ethyl formate.
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 4,7-dihydro-7-oxopyrazolo[1,5-a]pyrimidine-3-carboxylate (CAS 104556-86-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1505276-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.