Sertralin-HCl, 100μg/ml in Acetonitrile, 5ml

9-Nitroanthracene-d9, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 220381-38-4

7,8-Dibromo-1,2,3,4,11,11-hexachloro1,4,4a,5,6,7,8,9,10,10a-decahydro-1,4-methanobenzocyclooctane,50 µg/mL ,toluene,1mL,

2,2',4,5,5'-Pentachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane