Noun
A univalent radical, H.C:O, regarded as the essential residue of formic acid and aldehyde.
Formerly, the radical methyl, CH3.
Source: Webster's dictionaryOxidation The formyl group readily oxidizes to the corresponding carboxyl group (−COOH). Source: Internet
Reduction main The formyl group can be readily reduced to a primary alcohol (−CH 2 OH). Source: Internet
The group—without R—is the aldehyde group, also known as the formyl group. Source: Internet
This formyl group (and sometimes the methionine residue itself, if followed by Gly or Ser) is removed by the enzyme deformylase. Source: Internet