Indigo Price Not Available 25mg Indigo Supplier Page Catalog Number R014783 Molecular Formula C16H10N2O2 CAS# 482-89-3 Purity ≥90% Inchi InChI=1S/C16H10N2O2/c19-15-9-5-1-3-7-11(9)17-13(15)14-16(20)10-6-2-4-8-12(10)18-14/h1-8,17-18H/b14-13+ Inchi Key COHYTHOBJLSHDF-BUHFOSPRSA-N SMILES C1=CC=C2C(=C1)C(=O)C(=C3C(=O)C4=CC=CC=C4N3)N2 Size 25mg Supplier Page https://www.musechem.com/product/R014783.html