4,4'-DDE, 100 µg/ml, Ethyl acetate, 5ml Back Catalog number: 673534 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 8830.6-K-IO Natural dimethylpyrazines (2,5 -and 2,6)-, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 676261 2-Amino-4,8-naphthalenedisulfonic acid, 100mg Price on request 3160.13-K-IO Methyl dodecanoate (Methyl laurate), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 111-82-0 Price on request