2-Isopropylthioxantone, certified, 0.1g

2-Ethyl-6-methylaniline, 250mg

Catechol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 120-80-9

GC-IRMS Standards (C11(?13C: -26.11); C15 (?13C: -30.22); C20 (?13C: -33.06)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no.