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 1668.12-100-IO 1,2-Dichlorododecane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 75121-23-2 Price on request 64446 Fermentation standard Mix, in Water, 1ml Price on request 52328 Trace Elements #4 Price on request