Metoprolol Tartrate, >98%, 5g Back Catalog number: M2555 Availability: In the manufacturer's stock Price on request - + Recommended 11707.12-100-IO 3,3',5,5'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 97911 Paraquat Price on request 2067.6-K-IP 3-Chlorophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 108-43-0 Price on request