can't read?
Molybdenum trioxide is chemical compound with the formula MoO3. This compound is produced on the largest scale of any molybdenum compound. It occurs as the rare mineral molybdite.
MO 130 (OTTO) Molybdenum oxide nanopowder, APS 100 nm, 99.5% - used as a precursor to LAMOX fast ion conductors and superconductors.