英文名稱
5-Methylisoxazole-4-carboxylic Acid
Smiles Code
Cc1oncc1C(=O)O
White to Pale Brown Solid
DMSO (Slightly), Methanol (Slightly)
Building Blocks; Pharmaceutical/API Drug Impurities/Metabolites;
5-Methylisoxazole-4-carboxylic Acid (Leflunomide EP Impurity D) is an intermediate for synthesis of Leflunomide (L322750). Herbicidal activities towards Digitaria ciliaris.