Ethyl 4-oxo-5,6,7,8-tetrahydro-4H-pyrazolo[1,5-a][1,4]diazepine-2-carboxylate
4-氧代-5,6,7,8-四氢-4H-吡唑并[1,5-a][1,4]二氮杂卓-2-羧酸乙酯
Also known as: 4H-Pyrazolo[1,5-a][1,4]diazepine-2-carboxylic acid, 5,6,7,8-tetrahydro-4-oxo-, ethyl ester, Ethyl 4-oxo-4H,5H,6H,7H,8H-pyrazolo[1,5-a][1,4]diazepine-2-carboxylate, Ethyl 5,6,7,8-tetrahydro-4-oxo-4H-pyrazolo[1,5-a][1,4]diazepine-2-carboxylate, 4-Oxo-5,6,7,8-tetrahydro-4H-1,5,8a-triaza-azulene-2-carboxylic acid ethyl ester, ethyl 4-oxo-5,6,7,8-tetrahydropyrazolo[1,5-a][1,4]diazepine-2-carboxylate
Ethyl 4-oxo-5,6,7,8-tetrahydro-4H-pyrazolo[1,5-a][1,4]diazepine-2-carboxylate (CAS 604003-26-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H13N3O3 and a molecular weight of 223.229 g/mol. It is also known as 4H-Pyrazolo[1,5-a][1,4]diazepine-2-carboxylic acid, 5,6,7,8-tetrahydro-4-oxo-, ethyl ester, Ethyl 4-oxo-4H,5H,6H,7H,8H-pyrazolo[1,5-a][1,4]diazepine-2-carboxylate and Ethyl 5,6,7,8-tetrahydro-4-oxo-4H-pyrazolo[1,5-a][1,4]diazepine-2-carboxylate. Key properties include a boiling point of 505.1±38.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 259.3±26.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 604003-26-1
- Jingsj CID
- J-1608816-0
- Molecular Formula
- C10H13N3O3
- Chinese Name
- 4-氧代-5,6,7,8-四氢-4H-吡唑并[1,5-a][1,4]二氮杂卓-2-羧酸乙酯
- Molecular Weight
- 223.229 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 505.1±38.0 °C at 760 mmHg |
|---|---|
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 259.3±26.8 °C |
Frequently Asked Questions
What is the CAS number of Ethyl 4-oxo-5,6,7,8-tetrahydro-4H-pyrazolo[1,5-a][1,4]diazepine-2-carboxylate?
The CAS number of Ethyl 4-oxo-5,6,7,8-tetrahydro-4H-pyrazolo[1,5-a][1,4]diazepine-2-carboxylate is 604003-26-1.
What are the molecular formula and molecular weight of Ethyl 4-oxo-5,6,7,8-tetrahydro-4H-pyrazolo[1,5-a][1,4]diazepine-2-carboxylate?
Ethyl 4-oxo-5,6,7,8-tetrahydro-4H-pyrazolo[1,5-a][1,4]diazepine-2-carboxylate has molecular formula C10H13N3O3 and molecular weight 223.229 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ethyl 4-oxo-5,6,7,8-tetrahydro-4H-pyrazolo[1,5-a][1,4]diazepine-2-carboxylate (CAS 604003-26-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1608816-0 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.