2,4-DB, 250mg Back Catalog number: 676113 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 3828.31-10UG 2 alpha,17ß(H),21 alpha(H)-2-Methylhopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. Price on request 70039 beta-BHC Price on request 1264.7-30K-IO Toluene, 3 Wt% in Isooctane, 30mg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 108-88-3 Price on request