Urobilin
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Urobilin | |
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Identifiers | |
CAS number | [1856-98-0] |
PubChem | |
MeSH | |
Properties | |
Molecular formula | C33H42N4O6 |
Molar mass | 590.71 |
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
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Urobilin is a yellow linear tetrapyrrole, resulting from the breakdown of haem, a cyclic tetrapyrrole. Urobilin is generated in intestines from urobilinogen. It is absorbed into blood stream and excreted in urine, giving urine its characteristic yellow color.
It is a sensitive marker for early acute hepatitis.
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