13C3-Atrazine-desethyl-desisopropyl, 10mg Back Catalog number: 679705 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 70673 Ethephon Price on request DF-12346789-S Octachlorodibenzofuran, 1.2ml x 50ug/ml, toluene Price on request 52072 Spiking Standard 3 Price on request