Chemicals and Drugs

Riboflavin

Nutritional factor found in milk, eggs, malted barley, liver, kidney, heart, and leafy vegetables. The richest natural source is yeast. It occurs in the free form only in the retina of the eye, in whey, and in urine; its principal forms in tissues and cells are as FLAVIN MONONUCLEOTIDE and FLAVIN-ADENINE DINUCLEOTIDE.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Nutritional factor found in milk, eggs, malted barley, liver, kidney, heart, and leafy vegetables. The richest natural source is yeast. It occurs in the free form only in the retina of the eye, in whey, and in urine; its principal forms in tissues and cells are as FLAVIN MONONUCLEOTIDE and FLAVIN-ADENINE DINUCLEOTIDE.

Chemical Identity

Chemical Information

Molecular Formula
C17H20N4O6
Molecular Weight
376.4 g/mol
CAS Registry No.
83-88-5
IUPAC Name
7,8-dimethyl-10-[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]benzo[g]pteridine-2,4-dione
InChIKey
AUNGANRZJHBGPY-SCRDCRAPSA-N
SMILES
CC1=CC2=C(C=C1C)N(C3=NC(=O)NC(=O)C3=N2)C[C@@H]([C@@H]([C@@H](CO)O)O)O
MeSH Unique ID
D012256
Source
PubChem CID 493570

MeSH Record

Classification

Broader headings

Narrower headings

Related Concepts

Knowledge Graph

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Drug Class

Pharmacological Action

MeSH Record

Synonyms

3 entry terms
  • Vitamin B 2
  • Vitamin B2
  • Vitamin G

MeSH Record

Aspects Covered

28 allowable subheadings

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

MeSH Hierarchy

Tree Numbers

  1. D03w.633.100.733.315.650w
  2. D03w.633.300.507.650w
  3. D08.211w.474.650w
  4. D23.767w.405.650w

MeSH Record

NLM Classification

QU 191

AMA Style

References

  1. National Library of Medicine. Riboflavin. Medical Subject Headings (MeSH). 2026. Unique ID D012256. http://id.nlm.nih.gov/mesh/2026/D012256
  2. Riboflavin. In: Wikipedia. https://en.wikipedia.org/wiki/Riboflavin
  3. Riboflavin. In: Wikidata. https://www.wikidata.org/wiki/Q130365
  4. Riboflavin. In: PubChem Compound. CID 493570. https://pubchem.ncbi.nlm.nih.gov/compound/493570