Synonyms:
4,5-dihydro-5-oxo-1-(4-sulfophenyl)-1h-pyrazole-3-carboxylic acid monosodium salt ; sodium hydrogen 4,5-dihydro-5-oxo-1-(4-sulphonatophenyl)-1h-pyrazole-3-carboxylate ; sodium 5-oxo-1-(4-sulfophenyl)-4h-pyrazole-3-carboxylate ; 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-1h-pyrazole-3-carboxylicacimonosodium ; 1-(4-sodiosulfophenyl)-5-oxo-4,5-dihydro-1h-pyrazole-3-carboxylic acid ; carboxysulfophenyl pyrazolone ; 1-(4-sulfophenyl)-5-oxo-4,5-dihydro-1h-pyrazole-3-carboxylic acid·sodium salt ; 3-carboxy-1-(4''-sulfophenyl)-5-pyrazolone sodium salt 98+% ; 3-carboxy-1-(4'-sulfophenyl)-5-pyrazolone sodium salt ; carboxysulfophenylpyrazolonesodiumsalt