1-tert-butyl-3-(1-methyl-1H-pyrazol-5-yl)-4,5-dihydro-1H-pyrazol-5-one

1-叔丁基-3-(1-甲基-1H-吡唑-5-基)-4,5-二氢-1H-吡唑-5-酮

Also known as: 3H-Pyrazol-3-one, 2-(1,1-dimethylethyl)-2,4-dihydro-5-(1-methyl-1H-pyrazol-5-yl)-, 1'-(tert-Butyl)-2-methyl-1',4'-dihydro-2H,5'H-[3,3'-bipyrazol]-5'-one, 2-(tert-Butyl)-5-(1-methyl-1H-pyrazol-5-yl)-2,4-dihydro-3H-pyrazol-3-one, 1-tert-Butyl-3-(1-methyl-1H-pyrazol-5-yl)-1,4-dihydro-5H-pyrazol-5-one

1-tert-butyl-3-(1-methyl-1H-pyrazol-5-yl)-4,5-dihydro-1H-pyrazol-5-one (CAS 2649033-88-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H16N4O and a molecular weight of 220.27 g/mol. It is also known as 3H-Pyrazol-3-one, 2-(1,1-dimethylethyl)-2,4-dihydro-5-(1-methyl-1H-pyrazol-5-yl)-, 1'-(tert-Butyl)-2-methyl-1',4'-dihydro-2H,5'H-[3,3'-bipyrazol]-5'-one and 2-(tert-Butyl)-5-(1-methyl-1H-pyrazol-5-yl)-2,4-dihydro-3H-pyrazol-3-one. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

2649033-88-3

Jingsj CID

J-587557-7

Molecular Formula

C₁₁H₁₆N₄O

Chinese Name

1-叔丁基-3-(1-甲基-1H-吡唑-5-基)-4,5-二氢-1H-吡唑-5-酮

Molecular Weight

220.27 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026