Paraxanthine, 25mg Back Catalog number: P192500-25MG Manufacturer: TORONTO RESEARCH CHEMICALS Availability: In the manufacturer's stock Price on request - + Recommended PCB-LCS-H Mass-Labelled PCB Extraction Standards, 1.2ml, nonane Price on request 71340 1,1-Dimethylcyclopentane Price on request 2152.24-100-T 2,9-Dimethylpicene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1679-02-3 Price on request