Chemicals and Drugs

Bilirubin

A bile pigment that is a degradation product of HEME.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A bile pigment that is a degradation product of HEME.

Chemical Identity

Chemical Information

Molecular Formula
C33H36N4O6
Molecular Weight
584.7 g/mol
CAS Registry No.
635-65-4
IUPAC Name
3-[2-[[3-(2-carboxyethyl)-5-[(Z)-(3-ethenyl-4-methyl-5-oxopyrrol-2-ylidene)methyl]-4-methyl-1H-pyrrol-2-yl]methyl]-5-[(Z)-(4-ethenyl-3-methyl-5-oxopyrrol-2-ylidene)methyl]-4-methyl-1H-pyrrol-3-yl]propanoic acid
InChIKey
BPYKTIZUTYGOLE-IFADSCNNSA-N
SMILES
CC1=C(NC(=C1CCC(=O)O)CC2=C(C(=C(N2)/C=C\3/C(=C(C(=O)N3)C)C=C)C)CCC(=O)O)/C=C\4/C(=C(C(=O)N4)C=C)C
MeSH Unique ID
D001663
Source
PubChem CID 5280352

MeSH Record

Classification

Broader headings

Narrower headings

Related Concepts

Knowledge Graph

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Drug Class

Pharmacological Action

MeSH Record

See Also

MeSH Record

Synonyms

16 entry terms
  • Bilirubin IX alpha
  • Bilirubin, (15E)-Isomer
  • Bilirubin, (4E)-Isomer
  • Bilirubin, (4E,15E)-Isomer
  • Bilirubin, Calcium Salt
  • Bilirubin, Disodium Salt
  • Bilirubin, Monosodium Salt
  • Calcium Bilirubinate
  • Hematoidin
  • delta-Bilirubin
  • Bilirubinate, Calcium
  • Calcium Salt Bilirubin
  • Disodium Salt Bilirubin
  • Monosodium Salt Bilirubin
  • Salt Bilirubin, Calcium
  • delta Bilirubin

MeSH Record

Aspects Covered

29 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, agonists, analogs & derivatives, analysis, antagonists & inhibitors, biosynthesis, blood, cerebrospinal fluid, chemical synthesis, chemistry, classification, deficiency, economics, genetics, history, immunology, isolation & purification, metabolism, pharmacokinetics, pharmacology, physiology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity, urine.

MeSH Record

Indexing Annotation

BILIRUBIN ENCEPHALOPATHY see KERNICTERUS is available

MeSH Hierarchy

Tree Numbers

  1. D03w.383.129w.578.840w.249w.184w
  2. D03w.633.400.909w.249w.184w
  3. D04w.345w.783w.249w.184w
  4. D23.767w.193w.184w

AMA Style

References

  1. National Library of Medicine. Bilirubin. Medical Subject Headings (MeSH). 2026. Unique ID D001663. http://id.nlm.nih.gov/mesh/2026/D001663
  2. Bilirubin. In: Wikipedia. https://en.wikipedia.org/wiki/Bilirubin
  3. Bilirubin. In: Wikidata. https://www.wikidata.org/wiki/Q104219
  4. Bilirubin. In: PubChem Compound. CID 5280352. https://pubchem.ncbi.nlm.nih.gov/compound/5280352