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 94231 525 Spike Mix Price on request 2969.9-100-IO Terbuthylazine-d5 (ethyl-d5), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 222986-60-9 Price on request 92480 Herbicide Mix #2 - Methyl Derivatives Price on request