4,4'-DDT, 100 µg/ml, Methanol, 1ml Back Catalog number: 679461 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 11210.3-K-AN N-Methyl(nitrosoamino)-ethanol,1000 µg/mL,acetonitrile,1mL, Price on request 673995 Nitrofen, 10.0 µg/ml, Acetonitrile, 10ml Price on request 681247 Methylparaben, 100 µg/ml, Acetonitrile, 5ml Price on request