trans-4'-(3,4-Difluorophenyl)bicyclohexyl-4-one, >98%, 1g Back Catalog number: D4911 Availability: In the manufacturer's stock Price on request - + Recommended 678227 beta-Cypermethrin, 100mg Price on request 3355.11-100 2,4-DB methyl ester, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 18625-12-2 Price on request 1115.18-K-T 6-Nitrochrysene-d11, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 203805-92-9 Price on request