2-hydroxy-3-methylpentanoic acid, >95%, 50mg

(+/-)-Pyriproxyfen-d4 (pyridyl-d4),100 µg/mL,acetonitrile,1mL,

2,4-TDI Derivative, 1000 µg/mL in DMSO, 1ml

EPA Method 502/524 High Conc VOC Mixes