Mass-Labelled DDT & Related Compound Mix, 2µg/ml in Nonane, 1,2ml

2,3,3',4,5'-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL,

7H-Dibenzo[c,g]carbazole, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 194-59-2

Chlortetracycline hydrochloride,neat,neat,250mg