Difenzoquat methylsulfate Back Catalog number: 70649 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676747 Sodium perchlorate monohydrate, 100 µg/ml, Water, Price on request 685190 Pentanochlor, 25mg Price on request 72978 Fipronil sulfone, 1000µg/ml in Acetonitrile, 1ml Price on request