42831-50-5

Leflunomide impurity 4 Chemical Structure
42831-50-5

Chemical Structure

Leflunomide impurity 4

  • CAS No.: 42831-50-5
  • Formula:C5H5NO3
  • Molecular Weight:127.10

IUPAC Name: 5-methylisoxazole-4-carboxylic acid

InChIKey: VQBXUKGMJCPBMF-UHFFFAOYSA-N

SMILES: O=C(O)C=1C=NOC1C

Biological Activity: Leflunomide impurity 4 is an impurity of Leflunomide.

Cat. No. Product Name Purity Description Pricing
HY-W010434
Leflunomide impurity 4 Leflunomide impurity 4 is an impurity of Leflunomide.
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HY-W010434R
5-Methylisoxazole-4-carboxylic acid (Standard) ≥98% 5-Methylisoxazole-4-carboxylic acid (Standard) is the analytical standard of 5-Methylisoxazole-4-carboxylic acid. This product is intended for research and analytical applications.
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