Spike Sample Standard 3 Back Catalog number: 52031 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3431.9-100 MCPA, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 94-74-6 Price on request PCB-IS-A Mass-Labelled PCB Solution, 1.2ml x 1000ng/ml, nonane Price on request 8620.37-10MG Stigmasteryl tosylate Price on request