Heptachlor epoxide (Isomer B), 50mg Back Catalog number: N-12148-50MG Availability: In the manufacturer's stock Price on request - + Recommended 20061 CLP Pesticide Lab Control Standard Price on request 679032 cis-2,6-Dimethylmorpholine, 100mg Price on request S-4163-500-XY Surrogate ISTD - PAH 3 Analytes each 500µg/mL in xylene; unit: 1x1mL 0978.10 d8-Naphthalene [0978.10] 0389.14 d10-Phenanthrene [0389.14] 1024.18 d12-Chrysene [1024.18] Price on request