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1-Amino-2-naphthol-4-sulphonic acid is an aromatic amino-sulfonic acid.
A 1985 (OTTO) 1-Amino-2-naphthol-4-sulphonic acid, 98% Cas 116-63-2 - used as a starting material which when reacted with palmitoyl chloride yields the following derivatives 2’-Pentadecylnaphth[3,4-d]oxazole-1-sulfonic acid.