Endosulfan (alpha and beta), 100 ng/µl, 1ml Back Catalog number: XA13120000IO Availability: In the manufacturer's stock Price on request - + Recommended 678302 1,2-Dinitrobenzene, 250mg Price on request DF-IS-D Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request T4IPPP Tris(4-isopropylphenyl) phosphate, 1.2ml x 50ug/ml, toluene Price on request