Canadian Organophosphorus Pesticides Back Catalog number: 60040 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8721.22-K-IO Di-n-heptyl phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3648-21-3 Price on request 684698 Pirenzepine dihydrochloride, 250mg Price on request 54003 Hexamethylenetetramine, ACS Price on request