Isophthalic acid Price Not Available Inquiry Isophthalic acid Supplier Page Catalog Number CBB1112405 Alternative Name(s) Benzene-1,3-dicarboxylic acid Molecular Formula C₆H₄-₁,₃-(CO₂H)₂ CAS# 121-91-5 Purity >99% Inchi 1S/C8H6O4/c9-7(10)5-2-1-3-6(4-5)8(11)12/h1-4H,(H,9,10)(H,11,12) Inchi Key QQVIHTHCMHWDBS-UHFFFAOYSA-N SMILES OC(=O)c1cccc(c1)C(O)=O Size Inquiry Supplier Page https://www.amerigoscientific.com/isophthalic-acid-item-112405.html