2-Butanone

1.2,3.4,5.6,7.8-Tetra(peri-naphthylene)anthracene, neat, Solvent-neat, Unit 1mg, # of units-1, Cas.no. 191-54-8

2,3,5-Trimethylnaphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2245-38-7

High Boiling Sulfur in White Oil for Diesel Fuel Analysis 2 50 ppm S in sulfur-free White Oil (20 cst); units: 1x5mL vials Benzo[b]naphtho[2,1-d]thiophene (0485,16) + Benzo[b]naphtho[2,3-d]thiophene (0484,16) (1:1)