4,4’-DDE Back Catalog number: 79291 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 681991 2-Methoxybiphenyl, 100mg Price on request 96493 Hydrocodone-D3 Price on request