C2H2

C2H2 may mean:

Molecular formulae

The molecular formula C₂H₂ (molar mass: 26.04 g/mol, exact mass: 26.01565 u) may refer to:

• Acetylene (or ethyne)
• Methylidenecarbene
• Vinylidene group

Transcription factors

• C2H2 zinc finger, short for Cys₂His₂ a class of transcription factors with the small protein structural motif stabilised with Zinc ions

Index of chemical compounds with the same molecular formula

This set index page lists chemical structure articles associated with different isomers of the same molecular formula.
If an internal link led you here, you may wish to change the link to point directly to the intended article.