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

EPA Method 507 Pesticide Standard

2.3-Peri-naphthylene-pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 188-89-6

Betulin, 600µg/mL, Solvent-diisopropyl ether, Unit 1mL, # of units-1, Cas.no. 473-98-3