1,2-Dimethylnaphthalene, certified, 50mg Back Catalog number: C20750000 Availability: In the manufacturer's stock Price on request - + Recommended 92704 EPA Method 525Mix #2 Price on request 3578.9-10MG 5-Hydroxyisoquinoline, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 2439-04-5 Price on request 1557.5-K-ME n-Pentane-d12, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 2031-90-5 Price on request