Four-carbon molecule

Four-carbon molecules are based on a skeleton made from four carbon atoms. They may be in a chain, branched chains, cycles or even bicyclic compounds

C₄H₄ isomers with CAS registry numbers

Hydrocarbons that include four atoms are:

• butane C₄H₁₀
• isobutane C₄H₁₀
• but-1-ene C₄H₈
• but-2-ene C₄H₈
• but-1-yne C₄H₆
• but-2-yne C₄H₆
• isobutylene C₄H₈
• butadiene C₄H₆
• 1,2-butadiene C₄H₆
• vinylacetylene C₄H₄
• diacetylene C₄H₂
• butatriene C₄H₄
• cyclobutane C₄H₈
• cyclobutene C₄H₆
• cyclobutyne C₄H₄
• cyclobutadiene C₄H₄
• methylenecyclopropene C₄H₄
• bicyclobutane C₄H₆
• 1-bicyclobutene C₄H₄
• Δ^1,3-bicyclobutene C₄H₄
• propalene C₄H₂
• methylcyclopropane C₄H₈
• 1-methylcyclopropene C₄H₆
• 3-methylcyclopropene C₄H₆
• methylenecyclopropane C₄H₆
• 3-methylcyclopropyne C₄H₄
• methylenecyclopropyne C₄H₂
• tetrahedrane C₄H₄

See also

• List of compounds with carbon number 4