WS Organonitrogen Pesticides Back Catalog number: 38129 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2909.14-100-ME Sodium p-n-octylbenzenesulfonate, 100µg/mL in MeOH, 1ml Price on request 95087 ASTM Benzene Kit Price on request 12064.18-100-IO Tris(2-butyloxyethyl)phosphate-d27,100 µg/mL,isooctane,1mL, Price on request