1,1′-Azobis(cyclohexanecarbonitrile) or ACHN is a radical initiator.[1] The molecular formula is NCC6H10N=NC6H10CN. It is a white solid that is soluble in aromatic solvents.[2]
^Steven A. Kates, Fernando Albericio (2001). "1,1'-Azobis-1-cyclohexanenitrile". E-EROS Encyclopedia of Reagents for Organic Synthesis. doi:10.1002/047084289X.ra120.