5-Methylisoxazole-3-carboxylic-d4 Acid Price Not Available 25mg 5-Methylisoxazole-3-carboxylic-d4 Acid Supplier Page Catalog Number R040257 Molecular Formula C5H5NO3 CAS# 1267623-84-6 Purity ≥98% Inchi InChI=1S/C5H5NO3/c1-3-2-4(5(7)8)6-9-3/h2H,1H3,(H,7,8)/i1D3,2D Inchi Key BNMPIJWVMVNSRD-MZCSYVLQSA-N SMILES CC1=CC(=NO1)C(=O)O Size 25mg Supplier Page https://www.musechem.com/product/R040257.html