Fumaric Acid-13C4 Price Not Available 10mg Fumaric Acid-13C4 Supplier Page Catalog Number R050383 Molecular Formula C4H4O4 CAS# 201595-62-2 Purity ≥90% Inchi InChI=1S/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/b2-1+/i1+1,2+1,3+1,4+1 Inchi Key VZCYOOQTPOCHFL-BHBLSLFXSA-N SMILES C(=CC(=O)O)C(=O)O Size 10mg Supplier Page https://www.musechem.com/product/R050383.html