4,4'-Diaminodiphenyl sulfide, 250mg Back Catalog number: 676773 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 683258 Thiamethoxam Metabolite CGA 353968, 25mg Price on request 2687.18-K-IO Hexaethylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 604-88-6 Price on request 1107.14-100-T 9-Nitroanthracene-d9, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 220381-38-4 Price on request