Public Chemical Database

Updated 2026-03-25

Chemical information and their activities against biological assays. Provides free accessibility and supports research, integration and collaboration.

Type

database

Chemical identifier

cas smiles inchi inchi key iupac

Access rights

open access

Domain

hazardous substances mechanism of effect

Spatial coverage

global

Keyword(s)

safety toxicity compound information open chemistry database health

Update frequency

weekly

LEXCES Source Schema

Title

Public Chemical Database

Abbreviation

PubChem

Description

Chemical information and their activities against biological assays. Provides free accessibility and supports research, integration and collaboration.

URL

https://pubchem.ncbi.nlm.nih.gov/

Owner

NCBI (part of NIH)

Contact email

pubchem-help@ncbi.nlm.nih.gov

Bibliographic citation

example: PubChem Identifier: CID 2244 URL: https://pubchem.ncbi.nlm.nih.gov/compound/2244

Identifiers

Chemical identifier

CAS

Chemical identifier

IUPAC

Chemical identifier

InChi

Chemical identifier

InChi Key

Chemical identifier

SMILES

Created: 2026-03-25

Last updated: 2026-03-25

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