Difenzoquat methyl sulfate, 250mg Back Catalog number: 682025 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 92534 Benzo(k)fluoranthene Price on request 3524.12-100 Vinclozolin, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 50471-44-8 Price on request 3604.12-100-IO 2,2',3,3',4,4',5,6,6'-Nonachlorobiphenyl, 100 µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 52663-79-3 Price on request