2,4'-DDE, 10.0 µg/ml, Ethyl acetate, 10ml Back Catalog number: 673531 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 9055.6-K-IP 3,4,5-Trichlorocatechol , 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 56961-20-7 Price on request 97632 VOC Standard Price on request 9419.19-K-ME Warfarin, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 81-81-2 Price on request