Arsenic (As) Back Catalog number: 57033 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 32331 Isopropyl benzene Price on request 8916.14 2-Methyl-3,3',4,4'-tetrachlorodiphenylmethane, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request 675600 Vamidothion, 10.0 µg/ml, Ethyl acetate, 10ml Price on request