Stercobilin
Brown pigment of bile origin / From Wikipedia, the free encyclopedia
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Stercobilin is a tetrapyrrolic bile pigment and is one end-product of heme catabolism.[1][2] It is the chemical responsible for the brown color of human feces 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.[3]
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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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ECHA InfoCard | 100.047.155 |
MeSH | Stercobilin |
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Properties | |
C33H46N4O6 | |
Molar mass | 594.742 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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