13C3-Atrazine-desethyl-desisopropyl, 10mg Back Catalog number: 679705 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 0172.18-500-IO 2-Phenyldibenzofuran, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 78210-31-8 Price on request 79439 Leptophos Price on request 0100.20-200-T 3,9-Dimethylbenz[a]anthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 316-51-8 Price on request