![1-Naphthalenesulfonicacid,4-[2-(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)diazenyl]-3-hydroxy-7-nitro-,sodium salt(1:1)](https://newcny.com/wp-content/uploads/2024/12/90377-81-4.svg)
MF: C20H14N5NaO7S
MW: 491.4g/mol
IUPAC Name: sodium;3-hydroxy-4-[(3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-yl)diazenyl]-7-nitronaphthalene-1-sulfonate
Isomeric SMILES: CC1=NN(C(=O)C1N=NC2=C3C=CC(=CC3=C(C=C2O)S(=O)(=O)[O-])[N+](=O)[O-])C4=CC=CC=C4.[Na+]
InChIKey: OXRNQWIEEPNDNG-UHFFFAOYSA-M
InChI: InChI=1S/C20H15N5O7S.Na/c1-11-18(20(27)24(23-11)12-5-3-2-4-6-12)21-22-19-14-8-7-13(25(28)29)9-15(14)17(10-16(19)26)33(30,31)32;/h2-10,18,26H,1H3,(H,30,31,32);/q;+1/p-1
