石竹烯是一类双环倍半萜类化合物。有α-，β-，γ-三种异构体，香料界所说的石竹烯主要指β-石竹烯，α-石竹烯称为律草烯。β-石竹烯的双键顺式异构体称为异石竹烯（isocarophyllene）。石竹烯的中国GB 2760－1996批准为允许使用的食品香料。 β-石竹烯中文名称： β-石竹烯 。 英文名称： β-Caryophyllene 。 英文别名：1-caryophyllene; 2-Methylene-6,10,10-trimethyl bicyclo[7.2.0]undec-5-ene; 8-methylene-4,11,11-(trimethyl)bicyclo[7.2.0]undec-4-ene; beta-caryophyllene; (-)-beta-caryophyllene; Bicyclo[7.2.0]undec-4-ene, 4,11,11-trimethyl-8-methylene-, [1R-(1R*,4E,9S*)]-; bicyclo[7.2.0]undec-4-ene, 4,11,11-trimethyl-8-methylene-, (E)-(1R,9S)-(-)-; bicyclo[7.2.0]undec-4-ene, 8-methylene-4,11,11-trimethyl-, (E)-(1R,9S)-(-)-; (-)-caryophyllene; trans-caryophyllene; (-)-trans-caryophyllene; ; (1S,4E,8R)-5,9,9-trimethyl-2-methylene-bicyclo[6.2.0]dec-4-ene