PubChem

 Environmental health / Posted 4 years ago by Admin Web / 321 views

PubChem is an open chemistry database at the National Institutes of Health. The database is the largest collection of freely accessible chemical information. It allows you to search chemicals by name, molecular formula, structure, and other identifiers. Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more. New data is constantly added to chemical information.

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