tert-butyl 6,7-dihydropyrazolo[1,5-a]pyrazine-5(4H)-carboxylate
6,7-二氢吡唑并[1,5-a]吡嗪-5(4H)-羧酸叔丁酯
Also known as: tert-butyl 6,7-dihydro-4H-pyrazolo[1,5-a]pyrazine-5-carboxylate, tert-Butyl 4H,5H,6H,7H-pyrazolo[1,5-a]pyrazine-5-carboxylate, 5-Boc-4,5,6,7-tetrahydro-pyrazolo[1,5-a]pyrazine, 6,7-Dihydro-4H-pyrazolo[1,5-a]pyrazine-5-carboxylic acid tert-butyl ester, 2-Methyl-2-propanyl 6,7-dihydropyrazolo[1,5-a]pyrazine-5(4H)-carboxylate, Pyrazolo[1,5-a]pyrazine-5(4H)-carboxylic acid, 6,7-dihydro-, 1,1-dimethylethyl ester, MFCD22201149
tert-butyl 6,7-dihydropyrazolo[1,5-a]pyrazine-5(4H)-carboxylate (CAS 165894-06-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H17N3O2 and a molecular weight of 223.272 g/mol. It is also known as tert-butyl 6,7-dihydro-4H-pyrazolo[1,5-a]pyrazine-5-carboxylate, tert-Butyl 4H,5H,6H,7H-pyrazolo[1,5-a]pyrazine-5-carboxylate and 5-Boc-4,5,6,7-tetrahydro-pyrazolo[1,5-a]pyrazine. Key properties include a boiling point of 350.4±35.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 165.7±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 165894-06-4
- Jingsj CID
- J-1603488-0
- Molecular Formula
- C11H17N3O2
- Chinese Name
- 6,7-二氢吡唑并[1,5-a]吡嗪-5(4H)-羧酸叔丁酯
- Molecular Weight
- 223.272 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 350.4±35.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 165.7±25.9 °C |
Frequently Asked Questions
What is the CAS number of tert-butyl 6,7-dihydropyrazolo[1,5-a]pyrazine-5(4H)-carboxylate?
The CAS number of tert-butyl 6,7-dihydropyrazolo[1,5-a]pyrazine-5(4H)-carboxylate is 165894-06-4.
What are the molecular formula and molecular weight of tert-butyl 6,7-dihydropyrazolo[1,5-a]pyrazine-5(4H)-carboxylate?
tert-butyl 6,7-dihydropyrazolo[1,5-a]pyrazine-5(4H)-carboxylate has molecular formula C11H17N3O2 and molecular weight 223.272 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "tert-butyl 6,7-dihydropyrazolo[1,5-a]pyrazine-5(4H)-carboxylate (CAS 165894-06-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1603488-0 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.