5-tert-Butyl-2,4-dihydro-3H-pyrazol-3-one
3-叔-丁基-2-吡唑啉-5-酮
Also known as: 3-tert-Butyl-2-pyrazolin-5-one, 3-tert-butyl-1,4-dihydropyrazol-5-one, 5-tert-Butyl-2,4-dihydro-3H-pyrazol-3-one, 3-(tert-butyl)-4,5-dihydro-1H-pyrazol-5-one, MFCD00051760
5-tert-Butyl-2,4-dihydro-3H-pyrazol-3-one (CAS 29211-68-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H12N2O and a molecular weight of 140.18300 g/mol. It is also known as 3-tert-Butyl-2-pyrazolin-5-one, 3-tert-butyl-1,4-dihydropyrazol-5-one and 3-(tert-butyl)-4,5-dihydro-1H-pyrazol-5-one. Key properties include a melting point of 208 °C and a density of 1.11g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 29211-68-5
- Jingsj CID
- J-24924-1
- Molecular Formula
- C7H12N2O
- Chinese Name
- 3-叔-丁基-2-吡唑啉-5-酮
- Molecular Weight
- 140.18300 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 208 °C |
|---|---|
| Density | 1.11g/cm3 |
Frequently Asked Questions
What is the CAS number of 5-tert-Butyl-2,4-dihydro-3H-pyrazol-3-one?
The CAS number of 5-tert-Butyl-2,4-dihydro-3H-pyrazol-3-one is 29211-68-5.
What are the molecular formula and molecular weight of 5-tert-Butyl-2,4-dihydro-3H-pyrazol-3-one?
5-tert-Butyl-2,4-dihydro-3H-pyrazol-3-one has molecular formula C7H12N2O and molecular weight 140.18300 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-tert-Butyl-2,4-dihydro-3H-pyrazol-3-one (CAS 29211-68-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24924-1 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.