2,4'-DDT, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678381 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 3167.20-K-IO Methyl nonadecanoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1731-94-8 Price on request 11868.20-K-ME (±)-Chlorpheniramine-d6 maleate (N,N-dimethyl-d6),1000 µg base/mL,MeOH,1mL Price on request 677804 Levulinic acid, 250mg Price on request