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 11171.17-K-ME Dextrorphan tartrate,1000 µg base/mL,MeOH,1mL Price on request T308515-10MG 2'-(2H-Tetrazol-5-yl)-[1,1'-biphenyl]-4-carboxylic Acid, 10mg Price on request 1381.2-1ML Methyl formate, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 107-31-3 Price on request