Chemicals and Drugs

Abscisic Acid

Abscission-accelerating plant growth substance isolated from young cotton fruit, leaves of sycamore, birch, and other plants, and from potatoes, lemons, avocados, and other fruits.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Abscission-accelerating plant growth substance isolated from young cotton fruit, leaves of sycamore, birch, and other plants, and from potatoes, lemons, avocados, and other fruits.

Chemical Identity

Chemical Information

Molecular Formula
C15H20O4
Molecular Weight
264.32 g/mol
CAS Registry No.
21293-29-8
IUPAC Name
(2Z,4E)-5-[(1S)-1-hydroxy-2,6,6-trimethyl-4-oxocyclohex-2-en-1-yl]-3-methylpenta-2,4-dienoic acid
InChIKey
JLIDBLDQVAYHNE-YKALOCIXSA-N
SMILES
CC1=CC(=O)CC([C@]1(/C=C/C(=C\C(=O)O)/C)O)(C)C
MeSH Unique ID
D000040
Source
PubChem CID 5280896

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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Drug Class

Pharmacological Action

MeSH Record

Synonyms

9 entry terms
  • 2,4-Pentadienoic acid, 5-(1-hydroxy-2,6,6-trimethyl-4-oxo-2-cyclohexen-1-yl)-3-methyl-, (S-(Z,E))-
  • Abscissic Acid
  • Abscissins
  • Abscisic Acid Monoammonium Salt, (R)-Isomer
  • Abscisic Acid, (+,-)-Isomer
  • Abscisic Acid, (E,E)-(+-)-Isomer
  • Abscisic Acid, (E,Z)-(+,-)-Isomer
  • Abscisic Acid, (R)-Isomer
  • Abscisic Acid, (Z,E)-Isomer

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

History Note

93(75)

MeSH Record

Previous Indexing

  • Cyclohexanecarboxylic Acids (1974)

MeSH Hierarchy

Tree Numbers

  1. D02w.241w.223.268.034w
  2. D02w.455w.326.271w.665w.202w.061w
  3. D02w.455w.426w.392.368w.367.379.249w.024w
  4. D02w.455w.849w.131w.061w
  5. D02w.455w.849w.765w.521.500w

AMA Style

References

  1. National Library of Medicine. Abscisic Acid. Medical Subject Headings (MeSH). 2026. Unique ID D000040. http://id.nlm.nih.gov/mesh/2026/D000040
  2. Abscisic Acid. In: Wikipedia. https://en.wikipedia.org/wiki/Abscisic_acid
  3. Abscisic Acid. In: Wikidata. https://www.wikidata.org/wiki/Q332211
  4. Abscisic Acid. In: PubChem Compound. CID 5280896. https://pubchem.ncbi.nlm.nih.gov/compound/5280896