Mepiquat chloride, 100mg

2,3-Diethyl-5-methylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 5910-89-4

Metoprolol-d7 hydrochloride (isopropyl-d7), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1219798-61-4

Methanol QC Reference Mixture III n-Butyl sulfide, 0.5 ppm (weight S by weight) in 99.9 % methanol; units: 10x10mL