PCB 138, 10.0 µg/ml, Isooctane, 10ml Back Catalog number: 682123 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 676720 L-Tryptophan, 100mg Price on request 60005 Minnesota Dept of Health List Mix #1 Price on request 682029 D8-1,4-Dioxane, 100 µg/ml, Methanol, 1ml Price on request