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 9565.24-50-AN 6:2 TriPAPS, 50µg/mL, Solvent-acetonotrile, Unit 1mL, # of units-1, Cas.no. Price on request 1349.20-10MG Benzo[k]fluoranthene-d12, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 93952-01-3 Price on request 94465 Toxaphene Price on request