6,7-Dihydro-2,3-dimethyl-1H,5H-pyrazolo[1,2-a]pyrazol-1-one
6,7-二氢-2,3-二甲基-1H,5H-吡唑并[1,2-a]吡唑-1-酮
Also known as: 1H,5H-Pyrazolo[1,2-a]pyrazol-1-one, 6,7-dihydro-2,3-dimethyl-, 1,2-Trimethylene-3,4-dimethylpyrazolone-5, 1H,5H-Pyrazolo(1,2-a)pyrazol-1-one,6,7-dihydro-2,3-dimethyl, 6,7-Dihydro-2,3-dimethyl-1H,5H-pyrazolo(1,2-a)pyrazol-1-one
6,7-Dihydro-2,3-dimethyl-1H,5H-pyrazolo[1,2-a]pyrazol-1-one (CAS 51938-03-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H12N2O and a molecular weight of 152.19400 g/mol. It is also known as 1H,5H-Pyrazolo[1,2-a]pyrazol-1-one, 6,7-dihydro-2,3-dimethyl-, 1,2-Trimethylene-3,4-dimethylpyrazolone-5 and 1H,5H-Pyrazolo(1,2-a)pyrazol-1-one,6,7-dihydro-2,3-dimethyl. Key properties include a boiling point of 222.3ºC at 760mmHg, a density of 1.19g/cm3 and a flash point of 87.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 51938-03-5
- Jingsj CID
- J-1399141-8
- Molecular Formula
- C8H12N2O
- Chinese Name
- 6,7-二氢-2,3-二甲基-1H,5H-吡唑并[1,2-a]吡唑-1-酮
- Molecular Weight
- 152.19400 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 222.3ºC at 760mmHg |
|---|---|
| Density | 1.19g/cm3 |
| Flash Point | 87.3ºC |
Frequently Asked Questions
What is the CAS number of 6,7-Dihydro-2,3-dimethyl-1H,5H-pyrazolo[1,2-a]pyrazol-1-one?
The CAS number of 6,7-Dihydro-2,3-dimethyl-1H,5H-pyrazolo[1,2-a]pyrazol-1-one is 51938-03-5.
What are the molecular formula and molecular weight of 6,7-Dihydro-2,3-dimethyl-1H,5H-pyrazolo[1,2-a]pyrazol-1-one?
6,7-Dihydro-2,3-dimethyl-1H,5H-pyrazolo[1,2-a]pyrazol-1-one has molecular formula C8H12N2O and molecular weight 152.19400 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "6,7-Dihydro-2,3-dimethyl-1H,5H-pyrazolo[1,2-a]pyrazol-1-one (CAS 51938-03-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1399141-8 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.