farmasino nephritics roxadustat

4-hydroxy-7-phenoxyisoquinoline-3-carboxylic acid methyl ester (1455091-10-7) 4-hydroxy-7-phenoxyisoquinoline-3-carboxylic acid methyl ester is a key intermediate in the synthesis of Roxadustat. This compound is also known as Roxadustat impurity 4 and is essential for pharmaceutical manufacturing processes. Product Specifications Product Name: 4-hydroxy-7-phenoxyisoquinoline-3-carboxylic acid methyl ester CAS No.: 1455091-10-7 Assay: 98% End Use: Roxadustat Molecular Formula: