PCB No. 4, certified, 25mg Back Catalog number: C20000400 Availability: In the manufacturer's stock Price on request - + Recommended S-4519-40-PEX10 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 0421.18-150-CY n-Octadecane, ?13C: -30.71, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 593-45-3 Price on request 70916 5,5-Diphenylhydantoin Price on request