13C3-Atrazine-desethyl-desisopropyl, 10mg Back Catalog number: 679705 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended EPA-533IS EPA Method 533 Isotope Performance Standard PDS, in MeOH, 1,2ml Price on request 94503 Hydrocortisone Price on request 2170.20-5MG 1-/3-Nitrobenzo[e]pyrene, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 91259-16-4 / 81340-58-1 Price on request