2,4,6-Trichlorophenol, 100 µg/ml, Methanol, 5ml

Benzo[a]coronene, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 190-70-5

ISO 21675:2019 Native Stock Sol, 100ng/ml in MeOH

Trimethoprim