4-Aminosalicylic acid 65-49-6

Pharmaceutical API 4-Aminosalicylic acid 65-49-6

Pharmaceutical intermediates for the synthesis of anti-tuberculosis drug sodium p-aspartate. It’s also used to analyze reagents, bases, fluorescence indicators. Pharmaceutical intermediate for the synthesis of anti-tubercular drug sodium para-aminosalicylate; used as zinc brightener, leveling agent and levelling agent for alkaline zinc plating。