Simetryn, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678147 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 3456.7-100-CY cis-Mevinphos Price on request 11698.12-100-IO 2,3,4',5-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request 95488 EPA Method 524.3 - Internal Standard Price on request