3-n-Heptylthiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 65016-61-7

Atrazine-2-hydroxy, 100µg/mL in MeOH, 1ml

Mecoprop, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 93-65-2, replaces deleted number 7085-19-0

N-Nitrosodiisooctylamine (Di-(2-ethylhexyl)amine), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no.