Abstract
AS a result of detailed chemical investigations on the nature of the toxic factor produced by the action of nitrogen trichloride (‘Agene’) on flour, Bentley, McDermott, Pace, Whitehead and Moran1 have isolated a compound with empirical formula C5H12N2O3S, which appears to be responsible for the toxicity. They have suggested that this compound is a derivative of methionine, with the probable structure (I). 
These workers have supplied us with samples for infra-red examination, both as a possible check on the structure and also in order to establish the identity of synthetic specimens. The substances have been measured as solids suspended in paraffin or perfluorokerosene, using a Perkin Elmer 12 C spectrometer over the range 2–15 µ.
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References
Bentley, McDermott, Pace, Whitehead and Moran, Nature, 163, 675 (1949); 164, 438 (1949); 165, 150, 735 (1950).
Barnard, Fabian and Koch, J. Chem. Soc., 2442 (1949). Schreiber, Anal. Chem., 21, 1168 (1949).
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SHORT, L., THOMPSON, H. Toxic Factor from Agenized Proteins: Infra-red Examination. Nature 166, 514–515 (1950). https://doi.org/10.1038/166514b0
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DOI: https://doi.org/10.1038/166514b0
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