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644676 Sigma-Aldrich

5-Methylisoxazole-3-carboxylic acid

Synonym: 3-Carboxy-5-methylisoxazole, 5-Methyl-3-isoxazolecarboxylic acid

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Properties

Related Categories Building Blocks, Chemical Synthesis, Heterocyclic Building Blocks, Isoxazoles
mp   106-110 °C (lit.)
SMILES string   Cc1cc(no1)C(O)=O
InChI   1S/C5H5NO3/c1-3-2-4(5(7)8)6-9-3/h2H,1H3,(H,7,8)
InChI key   BNMPIJWVMVNSRD-UHFFFAOYSA-N

Description

Application

Reactant for:
• Click/aza-Michael or Click/oligomeric alkyl carbodiimide esterification reactions
• Preparation of aminopyrazole amide derivatives as Raf kinase inhibitors in melanoma cells
• Preparation of trifluoromethoxyphenyl(thiazolyl)pyrroles and other heterocycle-bearing polyfunctionalized pyrroles via chain heterocyclization

Packaging

1, 5 g in glass bottle

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3

Documents

Certificate of Analysis (COA)

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