4-Hydroxy Nisoldipine Price Not Available 5mg 4-Hydroxy Nisoldipine Supplier Page Catalog Number R004474 Molecular Formula C20H24N2O7 CAS# 106685-70-5 Purity ≥98% Inchi InChI=1S/C20H24N2O7/c1-11-15(18(23)28-5)17(13-8-6-7-9-14(13)22(26)27)16(12(2)21-11)19(24)29-10-20(3,4)25/h6-9,17,21,25H,10H2,1-5H3 Inchi Key MOZPKZYMNVFLSU-UHFFFAOYSA-N SMILES CC1=C(C(C(=C(N1)C)C(=O)OCC(C)(C)O)C2=CC=CC=C2[N+](=O)[O-])C(=O)OC Size 5mg Supplier Page https://www.musechem.com/product/R004474.html