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 58651 Spiking Standard 4 Price on request 10770.39-100-T 2-Chloro-1,3-propanediol-distearate-d5,100 µg/mL,toluene,1mL, Price on request 72667 Prallethrin Price on request