Purpurin (85per cent) Price Not Available 10mg Purpurin (85per cent) Supplier Page Catalog Number R039691 Molecular Formula C14H8O5 CAS# 81-54-9 Purity ≥98% Inchi InChI=1S/C14H8O5/c15-8-5-9(16)14(19)11-10(8)12(17)6-3-1-2-4-7(6)13(11)18/h1-5,15-16,19H Inchi Key BBNQQADTFFCFGB-UHFFFAOYSA-N SMILES C1=CC=C2C(=C1)C(=O)C3=C(C2=O)C(=C(C=C3O)O)O Size 10mg Supplier Page https://www.musechem.com/product/R039691.html