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In chemistry, a methylidyne group or just methylidyne is a neutral part of a molecule (a substituent or functional group) with formula ≡CH, consisting of a carbon atom bonded to a hydrogen atom by one single bond and to the rest of the molecule by one triple bond.[1] For example, a methylidyne group is present in n-methylidyne-1-hexanaminium, H

The name "methylidyne" is also used for the methylidyne radical (carbyne) CH, the same two atoms not bound to any other atom.

See alsoEdit


  1. ^ (2013) Methylidyne group in the Chemical Entities of Biological Interest (ChEBI) database. Accessed on 2013-02-06.