CAS 50709-35-8 appears in our catalog under these names: 2,5–Dichlorophenylhydrazine hydrochloride, 2,5-Dichlorophenylhydrazine hydrochloride, (2,5-Dichlorophenyl)hydrazine hydrochloride 98%, (2,5-Dichlorophenyl)hydrazine hydrochloride, 98%. Offered by: GLPBio, Biosynth, Ambeed, Fluorochem. Available pack sizes: 100g, 25g, 5g.