Atrazine D5, 100 µg/mL in Acetone, 1ml

alpha-Hydroxyalprazolam

1-Nitrofluoranthene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 13177-28-1

2,3,3',4,4',5,5',6-Octachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane