Desmethyl Erlotinib Carboxylate Acid Price Not Available 1mg Desmethyl Erlotinib Carboxylate Acid Supplier Page Catalog Number R048458 Molecular Formula C21H19N3O5 CAS# 882172-60-3 Purity ≥95% Inchi InChI=1S/C21H19N3O5/c1-3-14-5-4-6-15(9-14)24-21-16-10-18(29-12-20(25)26)19(28-8-7-27-2)11-17(16)22-13-23-21/h1,4-6,9-11,13H,7-8,12H2,2H3,(H,25,26)(H,22,23,24) Inchi Key KNCLPBMNMFPIIO-UHFFFAOYSA-N SMILES COCCOC1=C(C=C2C(=C1)N=CN=C2NC3=CC=CC(=C3)C#C)OCC(=O)O Size 1mg Supplier Page https://www.musechem.com/product/R048458.html