Similar term(s): phenyl group, -Ph.
Functional chemical group with the formula C6H5 where the six carbon atoms are arranged in a ring.
The phenyl group is simply a benzene ring with one hydrogen atom removed and is always attached to something else.
Source: GreenFacts
Source: Prentice Hall Organic
Chemistry
GreenFacts Summary on PCBs Polychlorinated biphenyls: