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1934-25-4 c.i. acid yellow 13

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CAS No. 1934-25-4
Product Name C.I. Acid Yellow 13
Synonyms Acid Yellow 13 (C.I.); trisodium 5-oxo-1-(2-sulfonatophenyl)-4-(2-sulfonatophenylazo)-2-pyrazoline-3-carboxylate
InChI InChI=1/C16H12N4O9S2.3Na/c21-15-13(18-17-9-5-1-3-7-11(9)30(24,25)26)14(16(22)23)19-20(15)10-6-2-4-8-12(10)31(27,28)29;;;/h1-8,13H,(H,22,23)(H,24,25,26)(H,27,28,29);;;/q;3*+1/p-3
Molecular Formula C16H9N4Na3O9S2
Molecular Weight 534.36337