1-Methyl-1H-1,2,3-triazol-4-amine Hydrochloride is the hydrochloride salt of 1-Methyl-1H-1,2,3-triazol-4-amine used in the synhesis of intermediates for various biologically active compounds. Acts as an inhibitor scaffold for histone lysine demethylase KDM4C in the treatment of prostate and breast cancer.