Structured Summary
Abstract
An acid-base indicator which is colorless in acid solution, but turns pink to red as the solution becomes alkaline. It is used medicinally as a cathartic.
Chemical Identity
Chemical Information
- Molecular Formula
- C20H14O4
- Molecular Weight
- 318.3 g/mol
- CAS Registry No.
- 77-09-8
- IUPAC Name
- 3,3-bis(4-hydroxyphenyl)-2-benzofuran-1-one
- InChIKey
- KJFMBFZCATUALV-UHFFFAOYSA-N
- SMILES
- C1=CC=C2C(=C1)C(=O)OC2(C3=CC=C(C=C3)O)C4=CC=C(C=C4)O
- MeSH Unique ID
- D020113
- Source
- PubChem CID 4764
MeSH Record
Classification
Broader headings
Related Concepts
Knowledge Graph
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Drug Class
Pharmacological Action
MeSH Record
Synonyms
7 entry terms
- Ap-La-Day
- Ex-Lax
- Feen-A-Mint
- Laxatone
- Laxettes
- Modane
- Thalinol
MeSH Record
Aspects Covered
24 allowable subheadings
Indexed with the subheadings administration & dosage, adverse effects, agonists, 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
PHENOLPHTHALEINS is also available
MeSH Record
History Note
1999; use PHENOLPHTHALEIN (NM) 1983-1998
MeSH Record
Previous Indexing
- Phenolphthaleins (1983-1998)
MeSH Hierarchy
Tree Number
AMA Style
References
- National Library of Medicine. Phenolphthalein. Medical Subject Headings (MeSH). 2026. Unique ID D020113. http://id.nlm.nih.gov/mesh/2026/D020113
- Phenolphthalein. In: Wikipedia. https://en.wikipedia.org/wiki/Phenolphthalein
- Phenolphthalein. In: Wikidata. https://www.wikidata.org/wiki/Q187921
- Phenolphthalein. In: PubChem Compound. CID 4764. https://pubchem.ncbi.nlm.nih.gov/compound/4764