4,4'-DDD, 100 µg/ml, Toluene, 5ml Back Catalog number: 675989 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 676947 Metazachlor, 10 µg/ml, Cyclohexane, 10ml Price on request L12451000ME 2,4-Dichlorophenol, 10µg/mL in MeOH, 10ml Price on request 72281 L-Tryptophan Price on request