2,5-Pyridinedicarboxylic acid 2,5-Pyridinedicarboxylic acid Synonyms: Isocinchomeronic acid; Pyridine-2,5-dicarboxylic acid; pyridine2,5-dicarboxylate; 2,5-LUTIDINIC ACID; 2,5-PYRIDINECARBOXYLIC ACID; ISOCINCHOMERIC ACID; RARECHEM AL BO 2394 CAS NO.: 100-26-5 Formula: C7H5NO4 Weight: 167.1189