Organophosphorous Pesticides Back Catalog number: 93854 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11217.25-100-IO Trixylyl phosphate, purified ion m/z 424 (heptamethyl),100 µg/mL,isooctane,1mL, Price on request 70239 Paraldehyde Price on request 9360.19-100MG iso-Butyl benzyl phthalate (2-Methylpropyl benzyl phthalate), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 72170-45-7 Price on request