Atrazine, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 673203 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 1146.26-K-IO n-Hexacosane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 630-01-3 Price on request SC-203161B (-)-Nicotine ditartrate, >99%, (CAS 65-31-6), 10g Price on request 93971 EPA Method 525 Surrogate Standard Price on request