N,N'-Diisopropylcarbodiimide (PCI) is mainly used in amikacin, glutathione dehydrants, as well as in synthesis of acid anhydride, aldehyde, ketone, isocyanate; also dehydrating condensing agent, it reacts to dicyclohexylurea through short-time reaction under normal temperature. It is used in synthesis of peptide and nucleic acid. It is easy to use this product to react with compound of free carboxy and amino-group into peptide.

QA Phenyl Isothiocyanate is an aromatic isothiocyanate. It participates in dehydration reactions of alcohols. It is widely used for synthesis of various biologically important heterocyclic compounds.

Diphenylphosphoryl Azide can be used as hydroazidation catalyst for facile preparation of organoazides.