What is "sulfenic acid"

alt. (context organic chemistry English) any compound of general formula RSOH n. (context organic chemistry English) any compound of general formula RSOH

A sulfenic acid is an organosulfur compound and oxoacid with the general formula R S O H, where R ≠ H. It is the first member of the family of organosulfur oxoacids, which also include sulfinic acids and sulfonic acids, R S O H and R S O H, respectively.