Difenzoquat methylsulfate Back Catalog number: 70649 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DWM-540-1 Haloalkanes Mixture, 200µg/ml in MeOH, 1ml Price on request 59111 Metals Mix Price on request 11748.12-100-IO 2,2',3,5,6,6'-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request