Mepronil, 100 µg/ml, Acetonitrile, 1ml

4-n-Nonylphenol (ring13C6), 10µg/ml, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no.

3-Nitro-o-toluidine

Melamine (13C3,99%; Amino-15N3,98%) 100 µg/mL in Water, 1,2ml