Color Back Catalog number: 50818 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11435.20-100-IO Di-p-tolylphenyl phosphate-d14 (p-tolyl-d7),100 µg/mL,isooctane,1mL, Price on request 79590 Malathion Price on request 3520.10-100 Trichloronate, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 327-98-0 Price on request