3-methoxy-4-(methylamino)cyclobut-3-ene-1,2-dione is a white solid commonly used as a pharmaceuticals and dye intermediate. It can be obtained by transesterification of p-toluenesulfonamide and methyl formate.
English name: 3-methoxy-4-(methylamino)cyclobut-3-ene-1,2-dione
English alias: 1-methylamino-2-methoxycyclobutene-3,4-dione;
1-methylamino-2-methoxycyclobutenedione;
CAS NO. 63649-29-6
Molecular weight: 141.12500
Molecular formula: C6H7NO3
Boiling point: 254.4±50.0 °C(Predicted)
Density: 1.27±0.1 g/cm3(Predicted)