Fenthion-sulfoxide, 100 µg/ml, Toluene, 5ml Back Catalog number: 675994 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 3735.12-100-IO 3,4,4'-Trichlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 38444-90-5 Price on request 674031 1-Methyl-1H-benzotriazole, 100mg Price on request 681030 PCB 195, 5mg Price on request