Ethyl caproate

EPA-1613CS3 + Window Defining/2378-TCDD Resolution Mix, 500ul, nonane

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

2,2',3,3',4',5,6,6'-Octachloro-4-methoxybiphenyl, 1.2ml x 50ug/ml, nonane