4,4'-DDT, 10.0 µg/ml, Ethyl acetate, 10ml Back Catalog number: 673537 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 0612.30-100-IO 17ß(H),21 alpha(H)-Hopane, 100µg/mLin isooctane, 1ml Price on request 680530 Halauxifen (free acid), 100 µg/ml, Acetonitrile, Price on request PN-35S 1,2,4,8-Tetrachloronaphthalene, 1.2mL x 50ug/mL, nonane Price on request