Name: 5-Methoxyisatin.

Synonym:5-METHOXY-2,3-INDOLINEDIONE;5-METHOXYINDOLE-2,3-DIONE;5-METHOXYISATIN;AKOSAU36-M122;5-methoxy-1h-indole-2,3-dione;5-methoxy-1h-indole-3-dione;5-methoxy-indole-3-dione;5-Methoxyisatin,98%

CAS No: 39755-95-8.

Molecular formula: C9H7NO3.

Molecular weight: 177.16.

Appearance: dark red solid.

Purity: 98%.

Melting point: 201-203 °C.

Density: 1.346 ±0.06g/cm3 (Predicted).

Acidity coefficient (pKa): 9.73 ±0.20 (Predicted).

Uses: 5-methoxyindirubin is an organic pigment and can be used as a biological dye.