4,4'-DDA, 100mg Back Catalog number: 681820 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 11214.21-100-IO Trixylyl phosphate, purified ion m/z 368 (trimethyl),100 µg/mL,isooctane,1mL, Price on request 72770 Terbufos sulfone, 1000µg/ml in MeOH, 1ml Price on request 682310 1,1,2,2-Tetrachloroethane, 1000mg Price on request