1,1-Dichloropropanone-2 Back Catalog number: 70509 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 90121 Benzo(a)pyrene Price on request HPCHLOR Heptachlor, 1.2mL x 100ug/mL, nonane Price on request 11217.25-100-IO Trixylyl phosphate, purified ion m/z 424 (heptamethyl),100 µg/mL,isooctane,1mL, Price on request