2,3,3',5-Tetrachlorobiphenyl

C27 Ring-C Monoaromatic sterane (5ß(H),10ß(CH3)/5?(H),10ß(CH3)),10 µg/mL,isooctane,1mL,

High Conc Chlorinated Phenols Standard

Phthalic acid, bis-benzyl ester, certified, 0.1g