4-Methylumbelliferone-13C4 Price Not Available 25mg 4-Methylumbelliferone-13C4 Supplier Page Catalog Number R015538 Molecular Formula C10H8O3 CAS# 1569304-40-0 Purity ≥90% Inchi InChI=1S/C10H8O3/c1-6-4-10(12)13-9-5-7(11)2-3-8(6)9/h2-5,11H,1H3/i1+1,4+1,6+1,10+1 Inchi Key HSHNITRMYYLLCV-IPRLLLDQSA-N SMILES CC1=CC(=O)OC2=C1C=CC(=C2)O Size 25mg Supplier Page https://www.musechem.com/product/R015538.html