CAS No.: 65-49-6 Synonyms: 4-Aminosalicylic acid; 4-Amino-2-hydroxybenzoic acid; PAS Formula: C₇H₇NO₃ Formula Weight: 153.14 Linear Formula: H₂NC₆H₃-2-(OH)CO₂H MDL No.: MFCD00007789 Melting Point: 135-145 °C(lit.)