Chemicals and Drugs

Homocystine

National Library of MedicineMedical Subject Headings2026

Chemical Identity

Chemical Information

Molecular Formula
C8H16N2O4S2
Molecular Weight
268.4 g/mol
IUPAC Name
2-amino-4-[[(3S)-3-amino-3-carboxypropyl]disulfanyl]butanoic acid
InChIKey
ZTVZLYBCZNMWCF-ZBHICJROSA-N
SMILES
C(CSSCCC(C(=O)O)N)[C@@H](C(=O)O)N
MeSH Unique ID
D006711
Source
PubChem CID 69382

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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MeSH Record

Aspects Covered

30 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, drug effects, economics, genetics, history, immunology, isolation & purification, metabolism, pharmacokinetics, pharmacology, physiology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity, urine.

MeSH Record

Indexing Annotation

/urine: consider also HOMOCYSTINURIA; do not confuse with HOMOCYSTEINE

MeSH Record

History Note

73(67)

MeSH Record

Previous Indexing

  • Aminobutyric Acids (1966)

MeSH Hierarchy

Tree Numbers

  1. D02w.886w.030w.554
  2. D12.125w.095w.533
  3. D12.125w.119.658
  4. D12.125w.166w.554

AMA Style

References

  1. National Library of Medicine. Homocystine. Medical Subject Headings (MeSH). 2026. Unique ID D006711. http://id.nlm.nih.gov/mesh/2026/D006711
  2. Homocystine. In: Wikidata. https://www.wikidata.org/wiki/Q27161892
  3. Homocystine. In: PubChem Compound. CID 69382. https://pubchem.ncbi.nlm.nih.gov/compound/69382