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Click on icon to see table/diagram/imageNonproprietary name: pirenoxine.
Chemical name: 1-hydroxy-5-oxo-5H-pyrido[3,2-α]phenoxazine-3-carboxylic acid.
Molecular formula: C16H8N2O5.
Molecular weight: 308.25.
Pirenoxine occurs as a yellow-brown powder. It is odorless and has a slightly bitter taste. It is very slightly soluble in dimethylsulfoxide, and practically insoluble in water, in acetonitrile, in ethanol (95), in tetrahydrofuran and in diethyl ether.
Melting point: about 250°C (with decomposition).
