beta-BHC Back Catalog number: 70039 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0984.20-100-IOX5 d2 C20 Triaromatic Sterane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 205529-79-9 Price on request 11798.20-10MG 9-Carboxynonyl-7-carboxyheptyldimethyl-d6 ammonium bromide,neat,neat,10mg, Price on request 677372 Propachlor ESA sodium salt, 100µg/ml, Acetonitrile, 1ml Price on request