M 2314 (OTTO) Molybdenum trioxide, 99.998% Cas 1313-27-5 - used to manufacture molybdenum metal, which serves as an additive to steel and corrosion-resistant alloys. M 2314 (OTTO) Molybdenum trioxide, 99.998% Cas 1313-27-5 - used in analytical chemistry, ceramic glazes, enamels, energy storage, and in the manufacture of acrylonitrile through catalytic oxidation of ammonia and propene..