Product Description: 2-(Naphthalen-1-yl)-5-phenyloxazole (α-NPO) is an organic fluorescent dye. 2-(Naphthalen-1-yl)-5-phenyloxazole has a nitrogen atom in its structure that can interfere with the nitrogen content from the amination step[1].
Formula: C19H13NO
References: [1]Seliman AF, et al. Preparation of polymer-coated, scintillating ion-exchange resins for monitoring of 99Tc in groundwater. Anal Chem. 2011 Jun 15;83(12):4759-66.