GLC Reference standard 674, 100mg Back Catalog number: GLC-674 Availability: In the manufacturer's stock Price on request - + Recommended 63200 2,2',3,3',4,5,6,6'-Octachlorobiphenyl (200) Price on request 70660 Diquat, 1000µg/ml in Water, 1ml Price on request 51055 ASTM D-5441MTBE Contaminant High Concentrate Price on request