Roxadustat 9-Butyl Ester

About Roxadustat 9-Butyl Ester

Roxadustat 9-Butyl Ester is a process intermediate or related compound of Roxadustat carrying the CAS registry number 808116-09-8 at a purity of 98%. Formula C21H21NO4, molecular weight 351.4 g/mol. Systematically, it is named butyl 4-hydroxy-1-methyl-7-phenoxyisoquinoline-3-carboxylate.

The product is provided as a powder. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Process chemists and analysts use it when developing synthetic routes to Roxadustat, tracking process-related impurities and validating analytical methods. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg and 50 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. This item is currently in stock for prompt dispatch.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Roxadustat

View every impurity, metabolite and intermediate we list for Roxadustat.

Roxadustat impurities

Specifications & identifiers

Chemical identifiers
Product name	Roxadustat 9-Butyl Ester
Catalogue No.	VQ-013772
CAS Number	808116-09-8
IUPAC name	butyl 4-hydroxy-1-methyl-7-phenoxyisoquinoline-3-carboxylate
Molecular formula	C₂₁H₂₁NO₄
Molecular weight	351.4 g/mol
Exact mass	351.1471
Grade	Reference Standard
Purity / assay	98%
HSN code	2933
InChIKey	GGPBJNADAUEKLF-UHFFFAOYSA-N
SMILES	CCCCOC(=O)C1=NC(=C2C=C(C=CC2=C1O)OC3=CC=CC=C3)C
PubChem CID	66713022

Physical properties
Physical form	Powder
LogP (XLogP3)	5.7
H-bond donors / acceptors	1 / 5
TPSA	68.7 Å²

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Roxadustat 9-Butyl Ester?

The CAS Registry Number of Roxadustat 9-Butyl Ester is 808116-09-8. It is also known as Butyl 4-hydroxy-1-methyl-7-phenoxy-3-isoquinolinecarboxylate, 4-Hydroxy-1-methyl-7-phenoxyisoquinoline-3-carboxylic acid butyl ester, 4-Hydroxy-1-methyl-7-phenoxy-isoquinoline-3-carboxylic acid butyl ester.

What is the molecular formula and molecular weight of Roxadustat 9-Butyl Ester?

Roxadustat 9-Butyl Ester has the molecular formula C21H21NO4 and a molecular weight of 351.4 g/mol. Its IUPAC name is butyl 4-hydroxy-1-methyl-7-phenoxyisoquinoline-3-carboxylate.

What is Roxadustat 9-Butyl Ester used for?

Roxadustat 9-Butyl Ester is supplied as a characterised reference material related to Roxadustat. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Roxadustat 9-Butyl Ester can I order?

We supply Roxadustat 9-Butyl Ester in Reference Standard (98%) grade, in 10 mg, 25 mg, 50 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Roxadustat 9-Butyl Ester?

Yes. Every lot of Roxadustat 9-Butyl Ester is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Roxadustat 9-Butyl Ester be shipped internationally?

Yes. We export Roxadustat 9-Butyl Ester worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.