Chemicals and Drugs

Cysteic Acid

Beta-Sulfoalanine. An amino acid with a C-terminal sulfonic acid group which has been isolated from human hair oxidized with permanganate. It occurs normally in the outer part of the sheep's fleece, where the wool is exposed to light and weather.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Beta-Sulfoalanine. An amino acid with a C-terminal sulfonic acid group which has been isolated from human hair oxidized with permanganate. It occurs normally in the outer part of the sheep's fleece, where the wool is exposed to light and weather.

Chemical Identity

Chemical Information

Molecular Formula
C3H7NO5S
Molecular Weight
169.16 g/mol
CAS Registry No.
13100-82-8
IUPAC Name
2-amino-3-sulfopropanoic acid
InChIKey
XVOYSCVBGLVSOL-UHFFFAOYSA-N
SMILES
C(C(C(=O)O)N)S(=O)(=O)O
MeSH Unique ID
D003544
Source
PubChem CID 25701

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

Synonyms

6 entry terms
  • 3-Sulfoalanine
  • Cysteate
  • beta-Sulfoalanine
  • 3 Sulfoalanine
  • Acid, Cysteic
  • beta Sulfoalanine

MeSH Record

Aspects Covered

25 allowable subheadings

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

MeSH Record

Indexing Annotation

an amino acid

MeSH Record

History Note

91(75); was see under AMINO ACIDS, SULFUR 1975-90

MeSH Record

Previous Indexing

  • Alanine (1974)
  • Amino Acids, Sulfur (1974)

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Cysteic Acid. Medical Subject Headings (MeSH). 2026. Unique ID D003544. http://id.nlm.nih.gov/mesh/2026/D003544
  2. Cysteic Acid. In: Wikipedia. https://en.wikipedia.org/wiki/Cysteic_acid
  3. Cysteic Acid. In: Wikidata. https://www.wikidata.org/wiki/Q2823250
  4. Cysteic Acid. In: PubChem Compound. CID 25701. https://pubchem.ncbi.nlm.nih.gov/compound/25701