Catechin, >98%, 20mg Back Catalog number: CFN99646 Availability: In the manufacturer's stock Price on request - + Recommended 52257 Gun Shot Residue Single Element Kit Price on request 2228.12-100-IO 3'-Fluoro-2,4,4'-trichlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 863314-89-0 Price on request 95019 PCB Mix 1 ppb Price on request