A member of the class of benzothiazoles that is 2,6'-bi-1,3-benzothiazole substituted at positions 2' 6 and 7 by 4-aminophenyl, methyl and sulfo groups respectively. The monosodium salt is the biological dye 'primuline'.
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This entity has been manually annotated by the ChEBI Team.
A dye used in microscopic or electron microscopic examination of cells and tissues to give contrast and to highlight particular features of interest, such as nuclei and cytoplasm.