beta-HCH, 100 µg/ml, Methanol, 1ml Back Catalog number: 680443 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 70900 Thiophenol Price on request 11672.12-100-IO 2,2',6-Trichlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 52102B ICP-MS Verification Kit Price on request