4,4'-DDD, 10.0 µg/ml, Ethyl acetate, 10ml Back Catalog number: 673529 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 73035 Cocaethylene Price on request 3832.6-KIT ISO 7981-2 Single substance Kit Price on request 3533.15-K-IO Cyclopentadecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 295-48-7 Price on request