Linear Formula: NH2CONH2, Molecular Weight: 60.06, powder, BioReagent, for molecular biology, suitable for cell culture, Synonym: Carbamide, Carbonyldiamide. Used for the denaturation of proteins and as a mild solubilization agent for insoluble or denatured proteins. Useful for renaturing proteins from samples already denatured with 6 M guanidine chloride such as inclusion bodies. May be used with guanidine hydrochloride and dithiothreitrol (DTT) in the refolding of denatured proteins into their native or active form.