P 1485 (OTTO) Phenazine methosulphate, 99% Cas 299-11-6 - used as an electron carrier in place of the flavine enzyme of Warburg in the hexosemonophosphate system and also in the preparation of succinic dehydrogenase. P 1485 (OTTO) Phenazine methosulphate, 99% Cas 299-11-6 - used with ascorbic acid to determine nitric oxide reductase activity. P 1485 (OTTO) Phenazine methosulphate, 99% Cas 299-11-6 - as a component of succinate dehydrogenase enzyme substrate solution. to induce superoxide radical generation in red blood cell suspensions and to study its influence on RBC deformability.