Dear Grace, Glad to hear that octadecenedioic acid is a product you can supply.Please send me an evaluation sample (25g) and a CoA. Shipment address isFirmenich SAAttn Olivier AndeyCC 2050Ch de la Bergere 71217 Meyrin SwitzerlandBest regards,Olivier Olivier ANDREY, Ph.D.New Products Sourcing ManagerGlobal Purchasing - Intermediates Firmenich SAChemin de la Bergère 7CH – 1217 Meyrin-Geneva, SwitzerlandPhone: +41 (0)22 780 5437 ; Fax: +41 (0)22 780 2530olivier.andrey@firmenich.comwww.firmenich.com