3-Hydroxybutyric acid

1,2,7-Trimethylphenanthrene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 60490-68-8

3,3',5,5'-Tetrabromobisphenol S dimethyl ether,50 µg/mL ,toluene,1mL

Whole milk powder - Aflatoxin M1 (high level), 30g