4-Demethyltrimethoprim Price Not Available 10mg 4-Demethyltrimethoprim Supplier Page Catalog Number R042259 Molecular Formula C13H16N4O3 CAS# 21253-58-7 Purity ≥90% Inchi InChI=1S/C13H16N4O3/c1-19-9-4-7(5-10(20-2)11(9)18)3-8-6-16-13(15)17-12(8)14/h4-6,18H,3H2,1-2H3,(H4,14,15,16,17) Inchi Key HPOCGNHBIFZCAN-UHFFFAOYSA-N SMILES COC1=CC(=CC(=C1O)OC)CC2=CN=C(N=C2N)N Size 10mg Supplier Page https://www.musechem.com/product/R042259.html