Preparation of 3-bromophenylhydrazine hydrochloride_Kain Industrial Additive

Background and overview[1] As an important organic synthesis intermediate, 3-bromophenylhydrazine hydrochloride is widely used in the pharmaceutical manufacturing industry and has broad market prospects. Preparation[1] The product produced by the existing preparation method of 3-bromophenylhydrazine hydrochloride has high impurity content, low purity, poor stability, and small output, which cannot meet the needs of the market.…