Catechol, 500mg

PCB Isomer Standard “Dutch 7”, 10µg/ml in Isooctane, 1ml

Arimistane, 1g

11H-Perfluoroundecanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1765-48-6