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ChemSpider is a free chemical structure database providing fast access to over 26 million structures, properties and associated information.

Chemistry is the study of matter and energy and the interactions between them. Get facts for the elements in the periodic table. Find chemistry demonstrations and experiments and science fair projects. Get chemistry homework help with worked example ...

PubChem homepage

Free chemical structure search engine. Millions of public domain structures. Very fast substructure searching. Results link to data about these structures.

The Chemical Structures Database aims to provide a complete set of 3D molecular structures. The database is freely available under the BSD license.

Life Technologies Corporation (NASDAQ: LIFE) is a global biotechnology tools company dedicated to improving the human condition. Our systems, consumables, reagents and services enable researchers to accelerate scientific exploration.

Providing researchers with access to millions of scientific documents from journals, books, series, protocols and reference works.

Department of Chemistry at Michigan State University

YouTube is a place to discover, watch, upload and share videos.

Erowid is an online library containing tens of thousands of pages of information about psychoactive drugs, plants, and chemicals, including entheogens, psychedelics, stimulants, depressants and pharmaceuticals. Includes traditional, spiritual, and r...