Product Description: SiRA 2 is a near-infrared (NIR) fluoride used in SiRA illumination aptamers. SiRA 2 is capable of imaging single RNA in living cells with maximum excitation emission wavelength: 649/662 nm[1].
Formula: C33H42N4O5Si
References: [1]Wirth R, et al. SiRA: A Silicon Rhodamine-Binding Aptamer for Live-Cell Super-Resolution RNA Imaging. J Am Chem Soc. 2019 May 8;141(18):7562-7571.