Chemicals and Drugs

Ergocalciferols

Derivatives of ERGOSTEROL formed by ULTRAVIOLET RAYS breaking of the C9-C10 bond. They differ from CHOLECALCIFEROL in having a double bond between C22 and C23 and a methyl group at C24.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Derivatives of ERGOSTEROL formed by ULTRAVIOLET RAYS breaking of the C9-C10 bond. They differ from CHOLECALCIFEROL in having a double bond between C22 and C23 and a methyl group at C24.

MeSH Record

Classification

Broader headings

Narrower headings

Related Concepts

Knowledge Graph

Loading graph…

Drag nodes to rearrange; hover to trace links; click a node to open its page.

Drug Class

Pharmacological Action

MeSH Record

Synonyms

5 entry terms
  • Calciferols
  • Ergocalciferol
  • Vitamin D 2
  • Vitamin D2
  • D2, Vitamin

MeSH Record

Aspects Covered

27 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, agonists, analysis, antagonists & inhibitors, 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

deficiency: coordinate ERGOCALCIFEROLS /defic (IM) with VITAMIN D DEFICIENCY (IM)

MeSH Record

History Note

90; was ERGOCALCIFEROL 1967-89; was VITAMIN D 2 1963-66

MeSH Hierarchy

Tree Numbers

  1. D04w.210.500w.247.222w.474
  2. D04w.210.500w.247.808w.412
  3. D04w.210.500w.812w.768w.462
  4. D10w.570w.938w.439

MeSH Record

NLM Classification

QU 173

AMA Style

References

  1. National Library of Medicine. Ergocalciferols. Medical Subject Headings (MeSH). 2026. Unique ID D004872. http://id.nlm.nih.gov/mesh/2026/D004872
  2. Ergocalciferols. In: Wikidata. https://www.wikidata.org/wiki/Q49872458