°C

Symbol

 * 1) The symbol for degrees Celsius.
 * 2) * Aldrichimica Acta Volume 30 No 4 (pdf) from Sigma-Aldrich
 * Decomposition of 4 in the presence of cis-piperylene at room temperature results in the stereocontrolled formation of trans-cycloheptadiene 27 in 90% ee (96% ee at -78 °C).

Usage notes
The use of °C for temperature intervals and in combination with SI prefixes is permissible, but the simultaneous use of °C for temperatures and K (kelvin) for temperature intervals or in combination with SI prefixes is more common in scientific literature.