EPA Method 500 Series Internal Std #4 Back Catalog number: 30003 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94982 PCB Congener Mix #4 Price on request S-4519-40-PE ISO 9377-2MOD Stearyl Stearate Solution for Comparison 0,5ml Stearyl stearate test solution (S-4517) with 24,5ml Extraction solvent (n-Pentane) Unit: 1mL for direct GC-Comparison Price on request 8500.23-1.0-DS (S)-1-[(10-Chloro-6,7-dihydro-4-oxo-3-phenyl-4H-benzo[a]quiniliizin-1-yl]carbonyl-2-pyrrolidinemethanol, Comet assay grade, 1.0mM, Solvent-DMSO, Unit 1mL certan, # of units-1, Cas.no. NA Price on request