Spermine-d20, 1mg Back Catalog number: S680512 Manufacturer: TORONTO RESEARCH CHEMICALS Availability: In the manufacturer's stock Price on request - + Recommended 2200.10-K-IO 1,2,3,5-Tetramethylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 527-53-7 Price on request 0796.19-500-IO Fichtelite, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2221-95-6 Price on request EPA-1668IS Internal Standard Stock Solution, 1.2ml, nonane Price on request