3,3'-Dioxo[Δ2,2'-biindoline]-5-sulfonic acid

CAS NO: 605-18-5
Molecular Formula:
Molecular Weight: 0

Synonyms

Indigo sulfonic acid

5-Indigosulfonic acid

3,3'-Dioxo[Δ2,2'-biindoline]-5-sulfonic acid

2-(1,3-Dihydro-3-oxo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-1H-indole-5-sulfonic acid