MCPA/ MCPP standard

Benzo[b]perylene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 197-70-6

Fentanyl-d5 (N-phenyl-d5), neat, Solvent-neat, Unit 50mg, # of units-1, Cas.no. 118357-29-2

17ß(H),18 alpha(H)-28-Nor-spergulane, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no.