7-Ethyl Theophylline Price Not Available 1mg 7-Ethyl Theophylline Supplier Page Catalog Number R002217 Molecular Formula C9H12N4O2 CAS# 23043-88-1 Purity ≥95% Inchi InChI=1S/C9H12N4O2/c1-4-13-5-10-7-6(13)8(14)12(3)9(15)11(7)2/h5H,4H2,1-3H3 Inchi Key RPOQNHMXOPWCEK-UHFFFAOYSA-N SMILES CCN1C=NC2=C1C(=O)N(C(=O)N2C)C Size 1mg Supplier Page https://www.musechem.com/product/R002217.html