Sulfamethazine, 250mg Back Catalog number: 672974 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 680508 Chlorzoxazone, 100mg Price on request 66194 2,2’,3,3’,4,4’,5,5’-Octachlorobiphenyl (194) Price on request 8230.13-50-IO 9-Chloro-9H-fluorene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 6630-65-5 Price on request