2,2',3,4',5,6,6'-Heptachlorobiphenyl (188) Back Catalog number: 63188 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679766 Profoxydim lithium salt, 100mg Price on request 666 Fentanyl impurity A, 25mg Price on request 9710.6-100-ME 2,5-Dihydroxymethylfuran, 100µg/mL, Solvent-, Unit 1mL, # of units-1, Cas.no. 1883-75-6 Price on request