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Medical Term:


Pronunciation: o'sa-zon


The compound formed by certain sugars (glucose, galactose, fructose) with excess hydrazines, possessing two hydrazones on carbons 1 and 2 instead of only one at C-1, as in the ordinary hydrazone, thus, RNH—N=CR'—CR?=N—NHR?'; osazones formed with phenylhydrazine (phenylosazones) are used to characterize and identify certain sugars.

Synonym(s): dihydrazone

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