PCB 180, 5mg Back Catalog number: 680402 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended DF-123678-S 1,2,3,6,7,8-Hexachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 94416 Volatile Standard Price on request 681204 (-)-Hyoscyamine, 100mg Price on request