Silicon (Si) Back Catalog number: 57914 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678385 Diafenthiuron, 100 µg/ml, Acetonitrile, 1ml Price on request 1668.12-100-IO 1,2-Dichlorododecane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 75121-23-2 Price on request C20630200 Benzo(g,h,i)perylene D12, 10mg Price on request