Mass-Labelled PCB Syringe Spike Solution, 1.2ml, nonane Back Catalog number: PCB-IS-C20 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 92744 Multi-Class Pesticide Mix #2 Price on request 8997.21-100-ME 11-Deoxycortisol, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 152-58-9 Price on request 1768.16-10MG 1,3-Diaminopyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 92821-64-2 Price on request