Metformin hydrochloride, 100 µg/ml, Methanol, 1m

3-Nitrophenol, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 554-84-7

2,3,5-Trimethylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 14667-55-1

n-Octacosane, ?13C: -29.85, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 630-02-4