Definition of mercapturic acid in English:

mercapturic acid

noun

Chemistry
  • Any of various organic acids of the formula RSCH₂CH(NH·CO·CH₃)COOH (where R is an aryl or alkyl radical), some of which are excreted in the urine as detoxication products of aromatic compounds.

Origin

Late 19th century; earliest use found in Journal of the Chemical Society.