4,4´-Diamino-3,3´-dimethyldiphenyl methane, certified, 0.1g

epsilon-HCH (BHC), 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 6108-10-7

2-Methylpyridine,neat,neat,100mg,

Chlormequat-chloride D4, 100µg/mL in DO, 1ml