2,3,3',4,4',5,5'-Heptachlorobiphenyl, 5mg Back Catalog number: C-189N Availability: In the manufacturer's stock Price on request - + Recommended 72249 L-Serine Price on request ACQ-WH05-115 Ethanol standard in whole blood,0.5g/L,whole blood, 1.5mL Price on request 93888 Haloacetic Acid Standard Price on request