About NMRdle

NMRdle is a daily molecular structure guessing game. You are given molecular formula, NMR, IR, and UV/Vis data. Pick the correct molecule from the 12 options. You have 5 lives. Good luck!

NMR spectra provided by ChemDraw

SMILES rendering provided by SmilesDrawer 2.0

© Toby Collins, 2025

You Win! 🎉

You Win! 🎉

Game Over! 💔

Better luck next time.

My Stats

Games Played: 0

Current Streak: 0

Longest Streak: 0

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NMRdle is free to play.

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NMRdle Archive

Choose any past date to replay the challenge: