4,4'-DDD, 100 µg/ml, Methanol, 1ml Back Catalog number: 679457 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 97157 Herbicides Mix #2 Price on request 14297.15-K-ME N-Desmethyl-cis-tramadol HCl, 1000μg/ml in MeOH, 1ml Price on request 3906.17-1G Riboflavin (E101), neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 83-88-5 Price on request