Levofloxacin Carboxylic Acid (Levofloxacin Difluoro Impurity) Price Not Available 25mg Levofloxacin Carboxylic Acid (Levofloxacin Difluoro Impurity) Supplier Page Catalog Number R048157 Molecular Formula C13H9F2NO4 CAS# 100986-89-8 Purity ≥98% Inchi InChI=1S/C13H9F2NO4/c1-5-4-20-12-9(15)8(14)2-6-10(12)16(5)3-7(11(6)17)13(18)19/h2-3,5H,4H2,1H3,(H,18,19)/t5-/m0/s1 Inchi Key NVKWWNNJFKZNJO-YFKPBYRVSA-N SMILES CC1COC2=C3N1C=C(C(=O)C3=CC(=C2F)F)C(=O)O Size 25mg Supplier Page https://www.musechem.com/product/R048157.html