Environmental health / Posted 12 months ago by Luidina Hailu / 133 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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