4-hydroxy-1-methyl-7-phenoxyisoquinoline-3-carboxylic acid

4-羟基-1-甲基-7-苯氧基异喹啉-3-羧酸

Also known as: 3-Isoquinolinecarboxylic acid, 4-hydroxy-1-methyl-7-phenoxy-, 4-hydroxy-1-methyl-7-phenoxy-3-isoquinolinecarboxylic acid, Roxadustat Impurity 9, Roxadustat Impurity 29, Roxadustat Impurity 28, Roxadustat Impurity 7, Roxadustat IMP2, RSYY(Roxadustat)-19, ROXA-020

4-hydroxy-1-methyl-7-phenoxyisoquinoline-3-carboxylic acid (CAS 1421312-35-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C17H12ClNO4 and a molecular weight of 329.73448 g/mol. It is also known as 3-Isoquinolinecarboxylic acid, 4-hydroxy-1-methyl-7-phenoxy-, 4-hydroxy-1-methyl-7-phenoxy-3-isoquinolinecarboxylic acid and Roxadustat Impurity 9. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1421312-35-7
Jingsj CID: J-1614153-1
Molecular Formula: C₁₇H₁₂ClNO₄
Chinese Name: 4-羟基-1-甲基-7-苯氧基异喹啉-3-羧酸
Molecular Weight: 329.73448 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 4-hydroxy-1-methyl-7-phenoxyisoquinoline-3-carboxylic acid?

The CAS number of 4-hydroxy-1-methyl-7-phenoxyisoquinoline-3-carboxylic acid is 1421312-35-7.

What are the molecular formula and molecular weight of 4-hydroxy-1-methyl-7-phenoxyisoquinoline-3-carboxylic acid?

4-hydroxy-1-methyl-7-phenoxyisoquinoline-3-carboxylic acid has molecular formula C17H12ClNO4 and molecular weight 329.73448 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "4-hydroxy-1-methyl-7-phenoxyisoquinoline-3-carboxylic acid (CAS 1421312-35-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1614153-1 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.