Methoprotryne, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 680012 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended DF-12389-S 1,2,3,8,9-Pentachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 676594 D8-4,4'-DDT, 100 µg/ml, Acetone, 1ml Price on request 51160 Sulfur in Isooctane - 0 Wt% Price on request