Caffeine,100 µg/mL,MeOH,1mL, Back Catalog number: 2517.8-100-ME Manufacturer: CHIRON AS Availability: In the manufacturer's stock Price on request - + Recommended 11686.12-100-IO 2,2',3,6-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request 680531 Hydroxy-Boscalid, 5mg Price on request 0328.20-100-TX5 2,2'-Binaphthyl-d14, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 210487-05-1 Price on request