Arsenic (As) Back Catalog number: 56033 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79519 Bensulide Price on request 0689.29-100-IO 17ß(H)-28-Norlupane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 134501-93-2 Price on request 681918 2,4'-Dichlorobenzophenone, 100 µg/ml, Ethyl aceta Price on request