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Named from Theobroma, the cacao genus. The Greek roots refer to food of the gods; there is no bromine in the formula.
A methylxanthine found in cacao and chocolate.
Its name looks like an element clue, but it contains only carbon, hydrogen, nitrogen, and oxygen.
🧪 Get a ChemHero tutoring prompt about this moleculeExplore the chemical recordChemists have named many compounds. Some names sound as though they were invented at the end of a very long lab day.
2D structure · PubChemAn informal nickname for a real substituted cyclohexadienone; the drawn structure is said to resemble a penguin.
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2D structure · PubChemA real diamine associated with the breakdown of amino acids. The name is vivid; the chemistry is real.
🧪 Get a ChemHero tutoring prompt about this moleculeView chemical record (opens in a new tab)
2D structure · PubChemA real diamine with a name linked to its occurrence in decomposition.
🧪 Get a ChemHero tutoring prompt about this moleculeView chemical record (opens in a new tab)Penguinone is an informal nickname; the other names shown are established compound names. Check the linked records for details.
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Explore Water · H₂O →Films make potions change color in an instant. Real red cabbage indicator also changes color when the acidity changes—pink in acid, green or yellow in a base.
See the real chemistry at ACSMars survival stories often turn on water. In reality, Mars has lost much of its water over time as sunlight breaks atmospheric water apart and hydrogen escapes into space.
Explore NASA’s explanationIce floats because solid water is less dense than liquid water.