5-Cyanophthalide Price Not Available 25mg 5-Cyanophthalide Supplier Page Catalog Number R001923 Molecular Formula C9H5NO2 CAS# 82104-74-3 Purity ≥98% Inchi InChI=1S/C9H5NO2/c10-4-6-1-2-8-7(3-6)5-12-9(8)11/h1-3H,5H2 Inchi Key XEEGWTLAFIZLSF-UHFFFAOYSA-N SMILES C1C2=C(C=CC(=C2)C#N)C(=O)O1 Size 25mg Supplier Page https://www.musechem.com/product/R001923.html