Search and explore chemical information in the world's largest free chemistry database. Search chemicals by name, molecular formula, structure, and other identifiers. Find chemical and …

Click one of the subjects below to learn more. You can also watch some videos on YouTube to get started. Selection tools: all these tool can be used to drag the current selection or …

Chemical Structure is the spatial arrangement of atoms in a molecule. Chemical structure determines the molecular geometry of the molecule. Russian Chemist Alexander Butlerov …

Use this chemical structure search tool to search our chemical database for an exact or substructure match on your molecule of interest. You can also use this chemical structure tool …

A chemical structure of a molecule is a spatial arrangement of its atoms and their chemical bonds. Its determination includes a chemist 's specifying the molecular geometry and, when feasible …

Use the Chemical Sketch tool to draw or edit a molecule. The resulting SMILES or InChI string may be used to search for matching molecules in the PDB Chemical Component Dictionary. …

The three different ways to draw organic molecules include Kekulé Formulas, Condensed Formulas, and Skeletal structures (also called line-bond structures or line formulas). During …