PubChem Substance
E570178
PubChem Substance is a component of the PubChem database that stores detailed records of chemical substances as submitted by various data contributors, including their structures, identifiers, and related information.
All labels observed (1)
| Label | Occurrences |
|---|---|
| PubChem Substance canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T6098299 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: PubChem Substance Context triple: [Entrez system, hasPart, PubChem Substance]
-
A.
PubChem Compound
PubChem Compound is a public database record type in the PubChem system that provides detailed chemical information about individual small molecules, including their structures, properties, and biological activities.
-
B.
PaperChem
PaperChem is a specialized database focused on chemical and materials science information related to paper and pulp research, accessible through the Engineering Village platform.
-
C.
PubChem BioAssay
PubChem BioAssay is a public database of biological activity results from high-throughput screening and other assays, used to link chemical substances with their biological effects.
-
D.
SciFinder-n
SciFinder-n is a comprehensive research discovery platform from Chemical Abstracts Service that enables scientists to search and analyze chemical substances, reactions, literature, and related scientific data.
-
E.
TSCA Inventory of chemical substances
The TSCA Inventory of chemical substances is the official U.S. Environmental Protection Agency list of chemical substances that are manufactured, processed, or imported in the United States for commercial purposes.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: PubChem Substance Target entity description: PubChem Substance is a component of the PubChem database that stores detailed records of chemical substances as submitted by various data contributors, including their structures, identifiers, and related information.
-
A.
PubChem Compound
PubChem Compound is a public database record type in the PubChem system that provides detailed chemical information about individual small molecules, including their structures, properties, and biological activities.
-
B.
PaperChem
PaperChem is a specialized database focused on chemical and materials science information related to paper and pulp research, accessible through the Engineering Village platform.
-
C.
PubChem BioAssay
PubChem BioAssay is a public database of biological activity results from high-throughput screening and other assays, used to link chemical substances with their biological effects.
-
D.
SciFinder-n
SciFinder-n is a comprehensive research discovery platform from Chemical Abstracts Service that enables scientists to search and analyze chemical substances, reactions, literature, and related scientific data.
-
E.
TSCA Inventory of chemical substances
The TSCA Inventory of chemical substances is the official U.S. Environmental Protection Agency list of chemical substances that are manufactured, processed, or imported in the United States for commercial purposes.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
PubChem component
ⓘ
chemical database component ⓘ |
| abbreviation | PCSubstance ⓘ |
| accessibleVia |
NCBI E-utilities API
ⓘ
PubChem PUG-REST API ⓘ PubChem web interface ⓘ |
| dataModelIncludes |
chemical structure representation
ⓘ
external database identifiers ⓘ links to assays ⓘ links to compounds ⓘ registry numbers ⓘ source-specific comments ⓘ synonyms ⓘ |
| hasFeature |
captures depositor-specific information
ⓘ
downloadable data ⓘ structure-searchable records ⓘ supports multiple depositor records for same chemical entity ⓘ text-searchable records ⓘ versioned records ⓘ |
| hasIdentifierType |
SID
ⓘ
Substance ID ⓘ |
| hasRecordType | substance record ⓘ |
| hostedBy |
NLM
ⓘ
linked to:
United States National Library of Medicine
National Library of Medicine ⓘ
linked to:
United States National Library of Medicine
U.S. National Institutes of Health ⓘ
linked to:
National Institutes of Health
|
| linkedTo |
PubChem BioAssay
ⓘ
PubChem Compound ⓘ PubChem Compound records ⓘ
linked to:
PubChem Compound
bioactivity data ⓘ literature references ⓘ patent information ⓘ |
| maintainedBy |
NCBI
ⓘ
National Center for Biotechnology Information ⓘ |
| partOf | PubChem ⓘ |
| receivesDataFrom |
academic laboratories
ⓘ
chemical vendors ⓘ data contributors ⓘ data depositors ⓘ government agencies ⓘ journal publishers ⓘ |
| stores |
annotations
ⓘ
chemical structures ⓘ chemical substances ⓘ cross-references ⓘ links to related resources ⓘ substance descriptions ⓘ substance identifiers ⓘ |
| usedFor |
chemical information integration
ⓘ
linking depositor data to standardized compounds ⓘ substance registration ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: PubChem Substance Description of subject: PubChem Substance is a component of the PubChem database that stores detailed records of chemical substances as submitted by various data contributors, including their structures, identifiers, and related information.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.