Parathion-methyl, 10.0 µg/ml, Acetonitrile, 10ml

Spiramycin, 100 µg/ml, Methanol, 1ml

ß alpha alpha (20R)-Cholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 481-20-9

Dibenz[a,h]anthracene-d14, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 13250-98-1