Trimethoprim-13C3 Price Not Available 25mg Trimethoprim-13C3 Supplier Page Catalog Number R010169 Molecular Formula C14H18N4O3 CAS# 1189970-95-3 Purity ≥98% Inchi InChI=1S/C14H18N4O3/c1-19-10-5-8(6-11(20-2)12(10)21-3)4-9-7-17-14(16)18-13(9)15/h5-7H,4H2,1-3H3,(H4,15,16,17,18)/i1+1,2+1,3+1 Inchi Key IEDVJHCEMCRBQM-VMIGTVKRSA-N SMILES COC1=CC(=CC(=C1OC)OC)CC2=CN=C(N=C2N)N Size 25mg Supplier Page https://www.musechem.com/product/R010169.html