Propionic acid

Senecionine,50 µg/mL,dried down,1mL,

(Use Part# 82423) EPA Method 8240A Mix #3

4',6-Difluoro-2,2',3,3',4,5,5',6'-octabromodiphenyl ether, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 863314-96-9