2,3,3',4,4',5,5'-Heptachlorobiphenyl, 5mg Back Catalog number: C-189N Availability: In the manufacturer's stock Price on request - + Recommended 27013 EPA Method 8260B - Purgeable Internal Std Price on request 3461.4-100-CY Naled Price on request 96567 Progesterone Price on request