Crotoxyphos, 10.0 µg/ml, Isooctane, 10ml Back Catalog number: 681729 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 10129.10-50-IO 2,6-Dimethylbenzothiophene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 66142-67-4 Price on request 97131 Atrazine Price on request 30108 EPA Method 552.2 - Surrogate Standard Price on request