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 51087 ASTM D-5769 Sensitivity Mix Price on request 92262 PCB Congeners Price on request 680336 Dichloroacetic acid, 1ml Price on request