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 N-12267-1G Isopropyl alcohol, 1g Price on request 94569 PCB Congener Internal Standard Mix Price on request 673308 Formetanate hydrochloride, 10.0 µg/ml, Acetonitri Price on request