4,4'-DDD, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678378 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 12360.16-K-ME Mono-n-octyl phthalate-d4, 1000µg/ml in MeOH, 1ml Price on request 676604 1-Phenyl-1H-1,2,4-triazole, 10mg Price on request 57111 Sodium (Na) Price on request