Custom Calibration Solution, 500ul, nonane

2,2',4,4',6,6'-Hexabromobiphenyl, 1.2ml x 50ug/ml, nonane

n-Pentacosane, ?13C: -28.21, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 629-99-2

Methotrexate hydrate, 100mg