5,5’-Indigodisulfonic Acid Disodium Salt (85per cent) Price Not Available 5mg 5,5’-Indigodisulfonic Acid Disodium Salt (85per cent) Supplier Page Catalog Number R040218 Molecular Formula C16H8N2Na2O8S2 CAS# 860-22-0 Purity ≥95% Inchi InChI=1S/C16H10N2O8S2.2Na/c19-15-9-5-7(27(21,22)23)1-3-11(9)17-13(15)14-16(20)10-6-8(28(24,25)26)2-4-12(10)18-14;;/h1-6,17-18H,(H,21,22,23)(H,24,25,26);;/q;2*+1/p-2/b14-13+;; Inchi Key KHLVKKOJDHCJMG-QDBORUFSSA-L SMILES C1=CC2=C(C=C1S(=O)(=O)[O-])C(=O)C(=C3C(=O)C4=C(N3)C=CC(=C4)S(=O)(=O)[O-])N2.[Na+].[Na+] Size 5mg Supplier Page https://www.musechem.com/product/R040218.html