V 1201 (OTTO) Valeric acid, 99% Cas 109-52-4 - used in perfumes and cosmetics. used predominantly as an intermediate in the manufacture of flavors and perfumes, ester type lubricants, plasticizers and vinyl stabilizesrs. V 1201 (OTTO) Valeric acid, 99% Cas 109-52-4 - used as a synthetic flavoring substance dan adjuvant. It is an inert ingredient in controlling pest.