5-Methyl-1H-benzo[e][1,4]diazepin-2(3H)-one

5-甲基-1H-苯并[e][1,4]二氮杂卓-2(3H)-酮

Also known as: 1,3-dihydro-5-methyl-2H-1,4-benzodiazepin-2-one, Ro 5-3663, Ro 05-3663, 5-methyl-3,4-dihydro-1,4-benzodiazepin-2-one, 5-methyl-1,3-dihydro-2H-benzo[e][1,4]diazepin-2-one, 2H-1,4-Benzodiazepin-2-one, 1,3-dihydro-5-methyl-, 5-methyl-1,2-dihydro-3H-1,4-benzodiazepine-2-one, 5-methyl-3,4-dihydro-2H-1,4-benzodiazepin-2-one

5-Methyl-1H-benzo[e][1,4]diazepin-2(3H)-one (CAS 70656-87-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H10N2O and a molecular weight of 174.19900 g/mol. It is also known as 1,3-dihydro-5-methyl-2H-1,4-benzodiazepin-2-one, Ro 5-3663 and Ro 05-3663. Key properties include a boiling point of 362.3ºC at 760mmHg, a density of 1.22g/cm3 and a flash point of 172.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

70656-87-0

Jingsj CID

J-928275-3

Molecular Formula

C₁₀H₁₀N₂O

Chinese Name

5-甲基-1H-苯并[e][1,4]二氮杂卓-2(3H)-酮

Molecular Weight

174.19900 g/mol

Category

Ketones

Last updated

8/21/2026