Also available in 1 mL, 5 mg, 10 mg, 50 mg, 100 mg and bulk. Please contact Fisher for quotes. 11-cis-Vaccenyl acetate ((Z)-Octadec-11-enyl acetate) activates olfactory neurons located in the T1 sensilla on the antenna and mediates aggregation behavior in both male and female flies. Purity 96.53%