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

1D,1D,2H,2H-1-Hydroxyperfluorododecane, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no.

(+/-)-Cotinine-d3 (N-methyl-d3), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 110952-70-0

Demeton-O, 100 µg/ml, Ethyl acetate, 1ml