6-Chlorohexanoyl chloride may be used in the following processes:Preparation oftert-butyl-N-(2-(6-chlorovaleryl)phenyl)carbamate, an intermediate for synthesizing the ketone analog of 2-amino-N-(4-(4-(1,2-benzisothiazol-3-yl)-1-piperazinyl)-butyl)benzamide hydrochloride.Preparation of (S)-(-)6-chlorohexanoic acid (2-methoxymethylpyrrolidin-1-yl)amide, a precursor for synthesizing 2-alkyl-substituted lactones.Deprotection and acylation of the pendant nitrogen during the preparation of a new cryptand with hydroxamate moiety that can bind with tribasic cations.