Custom Metals Standard Back Catalog number: 50684 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1526.24-25MG Coronene-d12,neat,neat,25mg, Price on request 3318.6-100-CY epsilon-HCH (BHC) Price on request 11710.12-100-IO 2,2',3,3',6-Pentachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request