TCI C1477 3-Chlorophenylhydrazine Hydrochloride (CAS 2312-23-4) is a substituted arylhydrazine supplied as its more stable hydrochloride salt. It is widely used to prepare hydrazones and to construct indole and pyrazole ring systems through classical condensation and Fischer-type cyclisation routes. The meta-chloro substituent tunes electronic character and offers a handle for subsequent cross-coupling chemistry. Supplied in 5 g and 25 g packs; consult the TCI Certificate of Analysis and Safety Data Sheet before use.
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