IR-783是一种近红外(NIR)染料，消光系数为157000 M−1cm−1，量子产率为0.11。在盐水中，其激发波长在768-784 nm范围内。 应用： IR-783可用作合成生物应用所需的IR-808染料的起始材料。这种成分还可用于形成检测肿瘤的NIR荧光人血清白蛋白纳米颗粒。它还可能用作多峰体内成像造影剂。 IR-783 is a near-infrared (NIR) dye with an extinction coefficient of 157000 M−1cm−1 and quantum yield of 0.11. Its excitation wavelength is in the range of 768-784 nm in saline. Application： IR-783 can be used as a starting material in the synthesis of IR-808 dye for biological applications. It can also be used in the formation of NIR fluorescent human serum albumin nanoparticles for the detection of a tumor. It finds potential usage as a contrasting agent for the multimodal in vivo imaging.