Demethylpiperazinyl Iso Sildenafil Sulfonyl Chloride Price Not Available 25mg Demethylpiperazinyl Iso Sildenafil Sulfonyl Chloride Supplier Page Catalog Number R057266 Molecular Formula C17H19ClN4O4S CAS# 501120-42-9 Purity ≥98% Inchi InChI=1S/C17H19ClN4O4S/c1-4-6-12-14-15(21-22(12)3)17(23)20-16(19-14)11-9-10(27(18,24)25)7-8-13(11)26-5-2/h7-9H,4-6H2,1-3H3,(H,19,20,23) Inchi Key XPOJLYGSFUUUDG-UHFFFAOYSA-N SMILES CCCC1=C2C(=NN1C)C(=O)N=C(N2)C3=C(C=CC(=C3)S(=O)(=O)Cl)OCC Size 25mg Supplier Page https://www.musechem.com/product/R057266.html