Welcome to ChemApp

Your free and fully accessible online chemistry lab. Explore and learn fundamental chemical reactions and mechanisms.

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ChemApp is a French non-profit association with a mission to make organic chemistry free and accessible for students and educators everywhere.

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Why use ChemApp?

Visualisation

Learn the reactivity of common organic functional groups through our detailed and colour-coded mechanisms.

Memorisation

Test yourself using flashcards and quizzes, and hone your organic chemistry skills!

Take-home messages

Take away your newly acquired knowledge by downloading our concise revision sheets.

Leaderboards

Beginner

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Intermediate

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Expert

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Spotlight on a reaction

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Chemical reaction spotlight

Keywords

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Spotlight on Nobel Prize