Pyridafol, 100 µg/ml, Acetonitrile, 5ml

4-Hydroxy-5,6,6a,11a-tetrahydro-11H-benzo[a]carbazole, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

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)

Ethofumesate, 250mg