trans-Heptachlor epoxide, 50mg Back Catalog number: N-13618-50MG Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-A40 Mass-Labelled PCDD Internal Standard Solution, 1.2ml x 40ng/ml, nonane Price on request 678260 Amitrole, 100 µg/ml, Acetonitrile, 1ml Price on request 10541.12-1G 1,3,5-Triglycidyl isocyanurate Price on request