CAS No.: 91-56-5
Molecular Formula: C8H5NO2
Product Description:
Isatin or 1H-indole-2,3-dione is an indole derivative. The compound is found in many plants. Schiff bases of isatin are investigated for their pharmaceutical properties. It was observed that isatin forms a blue dye if it is mixed with sulfuric acid and crude benzene. The formation of the blue indophenin was long believed to be a reaction with benzene. Victor Meyer was able to isolate the substance responsible for this reaction from benzene. This new heterocyclic compound was thiophene.

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