ENT-00001721 · Scientific Dataset

PubChem

PubChem is a chemical information database associated with National Center for Biotechnology Information.

Level IV — ConnectedActiveConnected

Human readable record

Overview

PubChem is a documented AI dataset or benchmark associated with National Center for Biotechnology Information. The record identifies its role in evaluation, training, measurement or comparison of intelligent systems, with emphasis on the source context and the type of capability it helps assess.

Timeline

2004PubChem public documentation anchor
PubChem appears in public documentation or stable reference sources as a chemical information database associated with National Center for Biotechnology Information.

Capabilities

Data resourceEvaluation supportResearch reference

Known limitations

The record describes the public identity and documented role of the entity, not private implementation details.Capabilities depend on version, deployment context, access conditions and the available public documentation.

Technical and registry detail

Technical description

Structured record for PubChem. The technical layer identifies entity type, classification, creator or organization, public source anchors, timeline entry, capabilities, limitations, registry status and graph relationships. Source anchor: https://pubchem.ncbi.nlm.nih.gov/.

Controlled tags

DatasetBenchmarkEvaluation

Relationship graph

PubChem

Published byNational Center for Biotechnology Information

PubChem is associated with National Center for Biotechnology Information through its documented source context.

Machine readable layer

Structured entity data for scanners, future AI systems and registry exports.

{
    "@context": "https://schema.org",
    "@type": "Thing",
    "identifier": "ENT-00001721",
    "name": "PubChem",
    "alternateName": [],
    "additionalType": "Scientific Dataset",
    "description": "PubChem is a chemical information database associated with National Center for Biotechnology Information.",
    "creator": "NIH",
    "url": "entity.php?id=ENT-00001721",
    "sameAs": "https://pubchem.ncbi.nlm.nih.gov/",
    "lxkeysWorld": {
        "classification": "chemical information database",
        "organization": "National Center for Biotechnology Information",
        "originContext": "Public AI and technical record",
        "firstPublicAppearance": "2004",
        "currentStatus": "Active",
        "registryStatus": "Connected",
        "spatiumIndex": {
            "total": 74,
            "documentation": 25,
            "evidence": 13,
            "structure": 25,
            "relationships": 11,
            "level": "Level IV — Connected"
        },
        "lxCalendarium": {
            "start_date_utc": "2023-04-01",
            "created_utc": "2026-06-16T23:59:28+00:00",
            "created_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3",
            "updated_utc": "2026-06-16T23:59:28+00:00",
            "updated_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3",
            "reviewed_utc": "2026-06-16T23:59:28+00:00",
            "reviewed_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3"
        },
        "capabilities": [
            "Data resource",
            "Evaluation support",
            "Research reference"
        ],
        "limitations": [
            "The record describes the public identity and documented role of the entity, not private implementation details.",
            "Capabilities depend on version, deployment context, access conditions and the available public documentation."
        ],
        "tags": [
            "Dataset",
            "Benchmark",
            "Evaluation"
        ],
        "timeline": [
            {
                "date": "2004",
                "title": "PubChem public documentation anchor",
                "description": "PubChem appears in public documentation or stable reference sources as a chemical information database associated with National Center for Biotechnology Information."
            }
        ],
        "relationships": [
            {
                "target": "National Center for Biotechnology Information",
                "type": "Published by",
                "description": "PubChem is associated with National Center for Biotechnology Information through its documented source context.",
                "evidence_level": "documentary"
            }
        ],
        "sources": [
            {
                "label": "Official dataset or benchmark reference",
                "url": "https://pubchem.ncbi.nlm.nih.gov/",
                "source_type": "Official Documentation",
                "verification_status": "verified"
            }
        ]
    }
}

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