CAS 20300-00-9 appears in our catalog under these names: Vamidothion Sulfoxide, Vamidothion-sulfoxide, Vamidothion-sulfoxide, Concentration: 100 µg/ml Solvent: Acetonitrile. Offered by: TRC, Dr. Ehrenstorfer, HPC Standards. Available pack sizes: 100mg, 25mg, 1x1ml.