Heptachlor-endo-epoxide (trans-, isomer A), certified, 10mg Back Catalog number: C14102000 Availability: In the manufacturer's stock Price on request - + Recommended 0953.10-K-IO 2,4-/2,6-Dimethylbenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 102035-96-1 / 66142-67-4 Price on request 3092.12-50-IO 2,2'-Dibromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 13029-09-9 Price on request 38179 Carpet Test Mix Price on request