Atrazine, 100 µg/ml, Methanol, 1ml Back Catalog number: 679464 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 0724.12-K-IO 1,5-Dimethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 571-61-9 Price on request P831803-2.5MG rac-Propranolol-d7, 2,5mg Price on request 20003 EPA Method 8240A/1666 - Purgeable Internal Std Price on request