2,4-DB-methyl ester, 250mg Back Catalog number: 677496 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 11770.12-100-IO 2,2',3,3',4,4',6,6'-Octachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request 673034 Benzoic acid, 250mg Price on request 8705.12-5MG 2,2',3,3',4',5,6-Heptachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 52663-70-4 Price on request