Crotoxyphos, 10.0 µg/ml, Isooctane, 10ml

(±)-Atenolol-d7 (N-isopropyl-d7),100 µg/mL,MeOH,1mL,

3,4,5-Trichloroguaiacol , 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 57057-83-7

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