MTSL is bifunctional, consisting of the nitroxide and the thiosulfonate ester functional groups. The nitroxide label is sterically protected, so it is relatively unreactive.
O 5735 (OTTOKEMI) MTSSL ≥98% (HPLC), nitroxide spin label probe, powder Cas 81213-52-7 - useful for investigating structural and conformational dynamics of membrane proteins and protein aggregation.