1-Methyl-5-phenyl-1,3-dihydro-2H-benzo[e][1,4]diazepin-2-one

1-甲基-5-苯基-1,3-二氢-2H-苯并[e][1,4]二氮杂-2-酮

Also known as: 1,3-Dihydro-1-methyl-5-phenyl-2H-1,4-benzodiazepin-2-one, 1-Methyl-5-phenyl-2,3-dihydro-1H-1,4-benzodiazepin-2-one, 1-Methyl-5-phenyl-1H-1,4-benzodiazepine-2(3H)-one, 1-Methyl-5-[phenyl]-1H-1,4-benzodiazepin-2(3H)-one, 2H-1,4-Benzodiazepin-2-one, 1,3-dihydro-1-methyl-5-phenyl-, 1-methyl-2,3-dihydro-2-oxo-5-phenyl-1,4-benzodiazepine, 1-methyl-5-phenyl-3H-1,4-benzodiazepin-2-one, 2,3-dihydro-1-methyl-5-phenyl-1H-1,4-benzodiazepin-2-one, Deschlorodiazepam, 7-Dechlorodiazepam, Ro 5-3464, HMS560E01

1-Methyl-5-phenyl-1,3-dihydro-2H-benzo[e][1,4]diazepin-2-one (CAS 3034-65-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C16H14N2O and a molecular weight of 250.29500 g/mol. It is also known as 1,3-Dihydro-1-methyl-5-phenyl-2H-1,4-benzodiazepin-2-one, 1-Methyl-5-phenyl-2,3-dihydro-1H-1,4-benzodiazepin-2-one and 1-Methyl-5-phenyl-1H-1,4-benzodiazepine-2(3H)-one. Key properties include a melting point of 153 °C, a boiling point of 452.3±45.0 °C(Predicted) and a density of 1.15±0.1 g/cm3(Predicted). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

3034-65-9

Jingsj CID

J-1340373-1

Molecular Formula

C₁₆H₁₄N₂O

Chinese Name

1-甲基-5-苯基-1,3-二氢-2H-苯并[e][1,4]二氮杂-2-酮

Molecular Weight

250.29500 g/mol

Category

Ketones

Last updated

8/21/2026