2,4-Dibromo[13C6]phenol, 1.2ml x 100ug/ml, toluene

n-Tricosane, ?13C: -26.71, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 638-67-5

O-Desmethyl tramadol hydrochloride , 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no.

1,2-Dichlorotetradecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 701920-83-4