Water-soluble tetrazolium compounds
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United States of America Patent
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Feb 3, 2009
Grant Date -
May 17, 2007
app pub date -
Jul 13, 2004
filing date -
Jul 14, 2003
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Abstract
The purpose of the present invention is to provide a water-soluble tetrazolium compound that will form a water-soluble formazan exhibiting long-wavelength absorption and is stable in aqueous solution for a long period and suitable for the quantitative analysis of dehydrogenases or substrates thereof. Disclosed is a water soluble tetrazolium compound expressed by the following general formula (1):independently represents sulfonate group; or sulfoalkyl or sulfoalkyloxy groups having 1 to 4 carbon atoms; and M represents an alkali metal or ammonium ion.
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