Indigo Carmine 5,7’-Isomer Price Not Available 10mg Indigo Carmine 5,7’-Isomer Supplier Page Catalog Number R015168 Molecular Formula C16H8N2Na2O8S2 CAS# 27414-68-2 Purity ≥90% Inchi InChI=1S/C16H10N2O8S2.2Na/c19-15-8-2-1-3-11(28(24,25)26)12(8)18-14(15)13-16(20)9-6-7(27(21,22)23)4-5-10(9)17-13;;/h1-6,17-18H,(H,21,22,23)(H,24,25,26);;/q;2*+1/p-2/b14-13+;; Inchi Key QVTMQQLVIHWZOG-QDBORUFSSA-L SMILES C1=CC2=C(C(=C1)S(=O)(=O)[O-])NC(=C3C(=O)C4=C(N3)C=CC(=C4)S(=O)(=O)[O-])C2=O.[Na+].[Na+] Size 10mg Supplier Page https://www.musechem.com/product/R015168.html