PubChem instruction

PubChem provides information on the biological activities of small molecules.

It is a free resource developed by the NCBI at the National Institutes of Health and available at http://pubchem.ncbi.nlm.nih.gov

Table of contents
Getting started
Searching PubChem
PubChem tools
Chemical structure searching
Bioactivity analysis
Getting started
Understand PubChem to search efficiently
Searching PubChem
Search PubChem
Understand search results
Simplify search results
Save searches
PubChem tools
Getting started with PubChem tools
Chemical structure searching
Search and download chemical structures
View 3D chemical structures
Convert chemical structure representations from one format to another
Group chemical compounds by structural similarity with structure clustering
Bioactivity analysis
Search for and view bioactivity data
Conduct a structure-activity analysis