| abstract |
Tetrazolium salt compounds represented by the following general formula (1):n nwherein R 1 and R 2 independently represent hydrogen atom, nitro group, cyano group,ncarboxyl group or a halogen atom, preferably nitro group; R 3 represents an alkyl groupnor an alkoxyl group, preferably methyl group or methoxy group; and M represents annalkali metal or an ammonium. The compounds are useful for quantitativenmeasurement of a dehydrogenase, and characterized to have high water-solubility andnexcellent storage stability in the state of an aqueous solution. |