Multiple choice

Faeces is the waste product discharged from the intestines through the anus. Which of the the organic compounds occurs naturally in faeces ?

  1. Indometacin

  2. Indigo

  3. Oxindole

  4. Skatole

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Skatole or 3-methylindole is a mildly toxic white crystalline organic compound belonging to the indole family. It occurs naturally in faeces (it is produced from tryptophan in the mammalian digestive tract), and coal tar, and has a strong faecal odour.