STA-21 Price Not Available 1mg STA-21 Supplier Page Catalog Number I009596 Molecular Formula C19H14O4 CAS# 111540-00-2 Purity ≥90% Inchi InChI=1S/C19H14O4/c1-9-7-10-5-6-12-17(15(10)14(21)8-9)19(23)11-3-2-4-13(20)16(11)18(12)22/h2-6,9,20H,7-8H2,1H3 Inchi Key ZAWXOCUFQSQDJS-UHFFFAOYSA-N SMILES CC1CC2=C(C(=O)C1)C3=C(C=C2)C(=O)C4=C(C3=O)C=CC=C4O Size 1mg Supplier Page https://www.musechem.com/product/I009596.html