ヘプチルへぷちるMeanings1nounheptylchemistryChemistry term for the alkyl group C₇H₁₅–. Used in organic chemistry contexts.ヘプチル基きは炭たん素そ原げん子し7個こからなるアルキル基きです。The heptyl group is an alkyl group consisting of seven carbon atoms.