15N3-Atrazine, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 678256 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 675761 Heptachlor endo-epoxide, 10.0 µg/ml, Ethyl acetat Price on request 72629 Dimethyl sulfoxide Price on request S-4077-K-IO Perdeuterated n-alkane Mix, 1mg/ml in Isooctane, 1ml Price on request