Hexavalent Chromium (Cr 6+) Back Catalog number: 54161 Availability: In the manufacturer's stock Price on request - + Recommended 3488.13-100 Procymidone, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 32809-16-8 Price on request 681778 O,O-Diethyl thiophosphate potassium salt, 250mg Price on request 11749.12-100-IO 2,2',4,4',5,6'-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request