Niacinamide

Ethanol standard in water,5.0g/L,water, 1.5mL

1-(2,6-Dichlorophenyl)indolin-2-one, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 15362-40-0

2,2',3,3',4,5-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL,