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In chemistry, acarbazide is afunctional group with the general formulaRNH−NH(C=O)NH−NHR. They can be derived from thecondensation ofcarbonic acid with ahydrazine.Carbohydrazide is the simplest carbazide, with another common carbazide being diphenylcarbazide, which is used as an analytical reagent.[1]
The sulfuranalog is called a thiocarbazide, of whichthiocarbohydrazide is the simplest example.
A carbazone is a partiallyoxidized carbazide with the general formulaR=NNH(C=O)NH−NHR. The sulfur analog is called a thiocarbazone, of whichdithizone is an example.