4-Maleimidobutyric Acid Price Not Available 1mg 4-Maleimidobutyric Acid Supplier Page Catalog Number R003970 Molecular Formula C8H9NO4 CAS# 57078-98-5 Purity ≥98% Inchi InChI=1S/C8H9NO4/c10-6-3-4-7(11)9(6)5-1-2-8(12)13/h3-4H,1-2,5H2,(H,12,13) Inchi Key NCPQROHLJFARLL-UHFFFAOYSA-N SMILES C1=CC(=O)N(C1=O)CCCC(=O)O Size 1mg Supplier Page https://www.musechem.com/product/R003970.html