Silicon (Si) Back Catalog number: 58114 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8361.6-100MG 1-Bromo-2,4,5-trichlorobenzene, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 29682-44-8 Price on request 3743.12-100-IO 2,3,3',4,4',5,6-Heptachlorobiphenyl , 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 74472-50-7 Price on request 674467 Halfenprox, 10.0 µg/ml, Acetonitrile, 10ml Price on request