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131013-81-5 tris(tetramethylammonium) 5-hydroxy-1-(4-sulphonatophenyl)-4-(4-sulphonatophenylazo)pyra

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Product Name tris(tetramethylammonium) 5-hydroxy-1-(4-sulphonatophenyl)-4-(4-sulphonatophenylazo)pyrazole-3-carboxylate
CAS No. 131013-81-5
Synonyms Methanaminium, N,N,N-trimethyl-, salt with 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-((4-sulfophenyl)azo)-1H-pyrazole-3-carboxylic acid (3:1); Acid yellow 23, tetramethylammonium salt; Prism yellow; RCC NOTOX substance 9747; 5-oxo-1-(4-sulfophenyl)-4-(4-sulfophenyl)azo-4H-pyrazole-3-carboxylic acid; tetramethylammonium
InChI InChI=1/C16H12N4O9S2.3C4H12N/c21-15-13(18-17-9-1-5-11(6-2-9)30(24,25)26)14(16(22)23)19-20(15)10-3-7-12(8-4-10)31(27,28)29;3*1-5(2,3)4/h1-8,13H,(H,22,23)(H,24,25,26)(H,27,28,29);3*1-4H3/q;3*+1/b18-17+;;;
Molecular Formula C28H48N7O9S2
Molecular Weight 690.8506