Oxytetracycline, 96%,neat,neat,10mg,

Mesityloxide, certified, 0.25g

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

Tris(2-butoxy-[13C2]-ethyl) phosphate, 1.2ml x 50ug/ml, toluene