Heptachlor, 100mg Back Catalog number: N-12147-100MG Availability: In the manufacturer's stock Price on request - + Recommended 2863.12-50-IO 5-Fluoro-3,3',4,4'-tetrachlorobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 0947.9-K-IO 3-Methylbenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1455-18-1 Price on request 54167 Solids (EPA Methods 160.1,.2,.3) Price on request