m-Xylene, certified, 5ml

Doxepin hydrochloride, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1229-29-4

Benzyl 4-hydroxybenzoate-2,3,5,6-d4, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1219805-81-8

n-Nonadecane, ?13C: -34.60, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 629-92-5