Methyl 1,4-dioxo-1,2,3,4-tetrahydroisoquinoline-3-carboxylate

3-甲氧羰基-1,2,3,4-四氢异喹啉-1,4-二酮

Also known as: 3-Carbomethoxy-1,2,3,4-tetrahydroisoquinoline-1,4-dione, 3-Isoquinolinecarboxylic acid, 1,2,3,4-tetrahydro-1,4-dioxo-, methyl ester, Methyl 1,4-dioxo-2,3-dihydroisoquinoline-3-carboxylate, 1,4-Dioxo-1,2,3,4-tetrahydro-isochinolin-3-carbonsaeuremethylester, I08-1150, MFCD03425940, CS-0204882, AKOS024015182, BP-11500, BS-24861

Methyl 1,4-dioxo-1,2,3,4-tetrahydroisoquinoline-3-carboxylate (CAS 91092-92-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H9NO4 and a molecular weight of 219.19300 g/mol. It is also known as 3-Carbomethoxy-1,2,3,4-tetrahydroisoquinoline-1,4-dione, 3-Isoquinolinecarboxylic acid, 1,2,3,4-tetrahydro-1,4-dioxo-, methyl ester and Methyl 1,4-dioxo-2,3-dihydroisoquinoline-3-carboxylate. Key properties include a melting point of 220-224ºC(lit.), a boiling point of 481.2ºC at 760 mmHg, a density of 1.345g/cm3 and a flash point of 244.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

91092-92-1

Jingsj CID

J-9195-4

Molecular Formula

C₁₁H₉NO₄

Chinese Name

3-甲氧羰基-1,2,3,4-四氢异喹啉-1,4-二酮

Molecular Weight

219.19300 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026