10-(N-Carboxymethylcarbamoyl)-3,7-bis(dimethylamino)phenothiazine (CCAP)-Ethanol (1/1), C₁₉H₂₂N₄O₃S.C₂H₆O

In the title molecule, [3,7-bis(dimethylamino)phenothiazin-10-yl]-N-carbamoylacetic acid-ethanol(1/1), the phenothiazine ring adopts a boat conformation, with one S and N atoms occupying the bow and stern positions, respectively. The dihedral angle between the two phenyl rings is 131 (1)°. The system of conjugation in the molecule is remarkably different from that in methylene blue.

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