Knowledge Base
Learn chemistry concepts, understand molecular structures, and explore the science behind compounds.
Featured Articles
FEATURED
Why CompoundLookup is Revolutionary
The first element-based compound search. Discover why CompoundLookup is the only tool that lets you search by selecting elements.
Read more →TUTORIAL
How to Search Compounds by Elements
A complete guide to using CompoundLookup's periodic table to find compounds.
Read more →CHEMISTRY BASICS
Understanding Element Combinations
Learn how elements combine to form chemical compounds and what makes each combination unique.
Read more →COMPARISON
CompoundLookup vs PubChem vs ChemSpider
What's the difference? Learn when to use each tool for your chemistry research.
Read more →All Articles
CHEMISTRY BASICS
4 min read
The Science of Molecular Formulas
What molecular formulas tell us about compounds
ABOUT US
3 min read
Our Data Sources
Where CompoundLookup data comes from
CHEMISTRY BASICS
5 min read
IUPAC Naming Conventions
How chemical compounds get their official names
ELEMENTS
6 min read
Element Groups and Families
Alkali metals, halogens, noble gases, and more