Thiencarbazone-methyl, 10.0 µg/ml, Acetonitrile,

2,4'-DDE, 10.0 µg/ml, Ethyl acetate, 10ml

(S)-(+)-Pregabalin-d4 (Aminomethyl d2 - hexanoic acid-2,2-d2), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no.

Chrysene-d12, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1719-03-5