Barban Back Catalog number: 70543 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96453 EPA Method 505 Pesticides Price on request 11696.12-100-IO 2,3,4,5-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 3768.29-10MG 24-Ethyl-5 alpha(H)-cholestan-3 alpha-ol (24-ethylepicholestanol), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 19466-47-8 Price on request