Note on the metabolism of the mercury chelating agent sodium 2,3‐dimercaptopropane‐1‐sulfonate

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Abstract
Chromatographic analysis of the radioactive urine obtained after injection into rats of [1,3‐ 14 C] dimercaptopropane sodium sulfonate (DMPS, Dimaval) showed that part of the administered chelating agent is excreted unchanged. This was confirmed by the results of studies of sulfur excretion in the different fractions of the urine as well as by titration of the excreted thiol groups. The results show that, at least in rats, DMPS is not involved in important metabolic reactions.