Propionic acid sodium salt, 1g Back Catalog number: NG-17604-1G Availability: In the manufacturer's stock Price on request - + Recommended 674866 Trimethylsulfonium iodide, 250mg Price on request 0292.19-K-T 1-Methylchrysene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 3351-28-8 Price on request 95814 Benzo(a)anthracene-d12 Price on request