Minst 94 %. Beståndsdelar i mindre mängder: minst 1 % 2,6-dimetyl-2-[(2-metyl-3-furyl)tio]-4-heptanon ###>At least 94 %; secondary component at least 1 % 2,6-dimethyl-2-[(2-methyl-3-furyl)thio]-4-heptanone