BODIPY 493/503的NHS酯是将该染料与蛋白或抗体偶联的最常用工具。NHS 酯可用于标记蛋白的伯胺 (R-NH2)、胺修饰的寡核苷酸和其他含胺分子。由此产生的 BODIPY 493/503 偶联物表现出明亮荧光、窄发射带宽和相对较长的激发状态寿命，可用于荧光偏振测定和双光子激发 (TPE) 显微镜检查。Ex/Em(nm)=496/508。
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