This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. (April 2011) Bilirubin Other names[hide] Pheophytin Identifiers CAS number 635-65-4 Yes PubChem 5280352 ChemSpider 4444055 Yes UNII RFM9X3LJ49 Yes ChEBI CHEBI:16990 Yes ChEMBL CHEMBL501680 Yes Jmol-3D images Image 1 Image 2 SMILES [show] InChI [show] Properties Molecular formula C33H36N4O6 Molar mass 584.66 g mol−1 Supplementary data page Structure and properties n, εr, etc. Thermodynamic data Phase behaviour Solid, liquid, gas Spectral data UV, IR, NMR, MS Yes (verify) (what is: Yes/?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox references Bilirubin (formerly referred to as hematoidin) is the yellow breakdown product of normal heme catabolism. Heme is found in hemoglobin, a principal component of red blood cells. Bilirubin is excreted in bile and urine, and elevated levels may indicate certain diseases. It is responsible for the yellow color of bruises, the background straw-yellow color of urine (via its reduced breakdown product, urobilin – the more obvious but variable bright yellow colour of urine is due to thiochrome, a breakdown product of thiamine), the brown color of feces (via its conversion to stercobilin), and the yellow discoloration in jaundice. It has also been found in plants.
Posted on: Tue, 25 Jun 2013 02:58:44 +0000
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