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Cyclopropyl cyanide is the smallest carbon ring molecule with a cyanide group attached to it. It is mainly known by its involvement in experiments with microwave spectroscopy, rotational spectroscopy and photodissociation.
C 2821 (OTTO) Cyclopropanecarbonitrile, 98% Cas 5500-21-0 - used to prepare cis and trans crotonitrile and allyl cyanide.