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 72729 4-Isobutylbenzoic acid Price on request 31381 Styrene, 2000µg/ml in MeOH, 1ml Price on request 50282 QC-21 - ICP Optical Price on request