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The open-chain version of ribose, which occurs naturally in nucleic acids, coenzymes, nucleotides and nucleosides.
A colourless, slightly viscous, hygroscopic liquid used in the production of formic acid, hydrogen cyanide and other organic compounds.
Fructose is the sweetest of the simple carbohydrates.
One of the products of the oxidation of ethanol.
A tertiary amine with a characteristic unpleasant odour, occurring in spoiled food.
A solid, grey substance which sublimates when heated. Its solution in alcohol is called tincture of iodine, it is a disinfectant.
One of the hydrogen halides, a highly aggressive substance - it even attacks glass.
The simplest saturated alcohol. A highly toxic compound, easily confusable with ethanol.
A colourless, heavier-than-air gas, an intermediate in the production of nitric acid.
Synthetic rubber is produced by the polymerisation of isoprene.
Used in the production of beryllium and as a catalyst.
A heterocyclic aromatic organic compound, its derivatives include guanine and adenine.
A liquid with a characteristic unpleasant odour and a low boiling point.
A colourless, heavier-than-air gas. Its geometric isomer is trans-2-butene.
The first member of the homologous series of alkyne hydrocarbons.
A reddish-brown toxic gas, very reactive due to its unpaired electron.
A colourless, toxic gas with the characteristic odour of rotten eggs. It occurs in certain mineral waters and spring waters.
It is also used as a food additive, limescale and rust remover.
The simplest aromatic amine. Its scientific name is phenylamine.