Tags: Chemical Compound, Chemical Substance.

Stercobilin is a tetrapyrrolic bile pigment and is one end-product of heme catabolism. It is the chemical responsible for the brown color of human fecal material and was originally isolated from feces in 1932. Stercobilin (and related urobilin) can be used as a marker for biochemical identification of fecal pollution levels in rivers.

Stercobilin.png
IUPAC name
3-[(2E)-2-[ [3-(2-Carboxyethyl)-5- [(4-ethyl-3-methyl-5-oxo-pyrrolidin-2-yl) methyl]-4-methyl-1H-pyrrol-2-yl]methylidene]-5- [(3-ethyl-4-methyl-5-oxo-pyrrolidin-2-yl) methyl]-4-methyl-pyrrol-3-yl]propanoic acid

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