\documentclass{article}
\usepackage{siunitx}
\usepackage{luatexja}

\begin{document}
\SI{-2.5e-10}{mol.L^{-1}.\ohm.\angstrom''}


\vrule
\begin{tabular}{S}
  0 \\   12345 \\   e3 \\   0.0+-0.1
\end{tabular}
\vrule
\end{document}



