Dopamine-d4 hydrochloride, 100µg/ml in MeOH, 1ml

d2 C29 alpha alpha alpha (20R)-Ethylcholestane, 100µg/mL, Solvent-isooctane, 100µg/mL in Isooctane, 5 x 1ml

Naphthalene-d8, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1146-65-2

High Boiling Sulfur in Toluene for Diesel Fuel Analysis 1 50 ppm S in sulphur-free Toluene; unit: 1x5mL vials Benzo[b]naphtho[2,1-d]thiophene (0485,16) + Benzo[b]naphtho[2,3-d]thiophene (0484,16) (1:1)