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A novel corrosion inhibitor i.e. N-(1,3-benzothiazol-2-yl)-4-aminobenzamide was synthesized and its corrosion inhibitor on controlling the rate of mild steel material in hydrochloric acid medium (1 N) at different temperatures was investigated. Rate of corrosion and inhibition efficiency were analyzed and calculated using mass loss method and electrochemical studies. As the concentration of the inhibitor increase the inhibitor efficiency also increases gradually with decrease in the rate of corrosion. Therefore from this study the efficiency of the inhibitor was good at different temperature in 1 N HCl. The relative corrosion inhibition efficiency of synthesized organic compound has been explained on the basis of its structure dependent-electron donating properties of the inhibitor. Further the structure and compound present in the synthesized organic inhibitor compound was confirmed by FTIR and NMR studies.