5-Amino-1-methyl-1,3-dihydro-2H-indol-2-one

1-甲基-2-氧代-5-氨基吲哚啉

Also known as: 2H-Indol-2-one, 5-amino-1,3-dihydro-1-methyl-, 5-Amino-1,3-dihydro-1-methyl-2H-indol-2-one, 5-Amino-1-methyl-1,3-dihydroindol-2-one, 5-Amino-1-methyl-2-indolinone, 5-Amino-1-methyl-2-oxoindoline, 5-Amino-1-methylindolin-2-one, 5-amino-1-methyl-2,3-dihydro-1H-indol-2-one

5-Amino-1-methyl-1,3-dihydro-2H-indol-2-one (CAS 20870-91-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H10N2O and a molecular weight of 162.189 g/mol. It is also known as 2H-Indol-2-one, 5-amino-1,3-dihydro-1-methyl-, 5-Amino-1,3-dihydro-1-methyl-2H-indol-2-one and 5-Amino-1-methyl-1,3-dihydroindol-2-one. Key properties include a melting point of 109ºC, a boiling point of 471.9±45.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 239.2±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

20870-91-1

Jingsj CID

J-1089505-8

Molecular Formula

C₉H₁₀N₂O

Chinese Name

1-甲基-2-氧代-5-氨基吲哚啉

Molecular Weight

162.189 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026