1-benzyl-3-methyl-2-pyrazolin-5-one

1-苄基-3-甲基-2-吡唑啉-5-酮

Also known as: 1-Benzyl-3-methylpyrazolin-5-one, 1-Benzyl-3-methylpyrazolone-5, 2-Benzyl-5-methyl-4H-pyrazol-3-one, 2,4-Dihydro-2-benzyl-5-methyl-3H-pyrazol-3-one, 2-Benzyl-2,4-dihydro-5-methyl-3H-pyrazol-3-one, 2-Benzyl-5-methyl-2,4-dihydro-3H-pyrazol-3-one, 1-Benzyl-3-methyl-1H-pyrazol-5(4H)-one, 2-Benzyl-5-methyl-1,2-dihydro-pyrazol-3-one, EINECS 213-426-9

1-benzyl-3-methyl-2-pyrazolin-5-one (CAS 946-23-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H12N2O and a molecular weight of 188.22600 g/mol. It is also known as 1-Benzyl-3-methylpyrazolin-5-one, 1-Benzyl-3-methylpyrazolone-5 and 2-Benzyl-5-methyl-4H-pyrazol-3-one. Key properties include a boiling point of 304.7ºC at 760 mmHg, a density of 1.14g/cm3 and a flash point of 138.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

946-23-6

Jingsj CID

J-1468704-0

Molecular Formula

C₁₁H₁₂N₂O

Chinese Name

1-苄基-3-甲基-2-吡唑啉-5-酮

Molecular Weight

188.22600 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026