Xanthine Price Not Available 25mg Xanthine Supplier Page Catalog Number R051339 Molecular Formula C5H4N4O2 CAS# 69-89-6 Purity ≥95% Inchi InChI=1S/C5H4N4O2/c10-4-2-3(7-1-6-2)8-5(11)9-4/h1H,(H3,6,7,8,9,10,11) Inchi Key LRFVTYWOQMYALW-UHFFFAOYSA-N SMILES C1=NC2=C(N1)C(=O)NC(=O)N2 Size 25mg Supplier Page https://www.musechem.com/product/R051339.html