Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Skip to content

ChemIDplus (Chemical Identification Plus Database)

Metadata Updated: July 2, 2023

ChemIDplus is no longer updated. These are the final files from February 22, 2023. All ChemIDplus data have been incorporated into PubChem.

ChemIDplus was a dictionary of over 400,000 chemicals (names, synonyms, and structures). ChemIDplus includes links to NLM and other databases and resources, including links to federal, state and international agencies. NLM makes a subset of ChemIDplus data available for download. The ChemIDplus Subset does not include the structure or the toxicity data available from the NLM web versions of the database. The ChemIDplus Subset is updated monthly.

Access & Use Information

Public: This dataset is intended for public access and use. License: See this page for license information.

Downloads & Resources


Metadata Created Date March 16, 2021
Metadata Updated Date July 2, 2023

Metadata Source

Harvested from

Additional Metadata

Resource Type Dataset
Metadata Created Date March 16, 2021
Metadata Updated Date July 2, 2023
Publisher National Library of Medicine
Data First Published 2020-09-21
Data Last Modified 2023-06-30
Category Drugs and Chemicals
Public Access Level public
Bureau Code 009:25
Metadata Context
Metadata Catalog ID
Schema Version
Catalog Describedby
Harvest Object Id 76fc7361-7ef5-4f85-8d71-52bc82963e57
Harvest Source Id 651e43b2-321c-4e4c-b86a-835cfc342cb0
Harvest Source Title
Homepage URL
Program Code 009:041
Source Datajson Identifier True
Source Hash 4001bb328cd8a9f43794e205b283f7b1daa5be13
Source Schema Version 1.1

Didn't find what you're looking for? Suggest a dataset here.

An official website of the GSA's Technology Transformation Services

Looking for U.S. government information and services?