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4-Chlorophenylhydrazine Hydrochloride CAS1073-70-7Used as intermediates in organic synthesis
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2,4-DICHLOROPHENYLHYDRAZINE HYDROCHLORIDE CAS5446-18-4Used in medicine and dye intermediates
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TERT-BUTYLACETYL CHLORIDE CAS7065-46-5Pivaloyl chloride is a kind of very important acylation reagents, mainly used as pharmaceutical intermediates, in many amides and phenols lipid drug preparation as the main raw material; it has been used in hydroxylamine benzyl penicillin and cephalosporin benzyl hydroxylamine, cefazolin, Dipivalyl epinephrine and other drug production. It is also used as the intermediates of pesticide production, such as chloro pivaloyl chloride.