Febuxostat 2-Butyl Isomer Ethyl Ester

Name: Febuxostat 2-Butyl Isomer Ethyl Ester
Brand: Vaqora Chemicals
SKU: VQ-030693

About Febuxostat 2-Butyl Isomer Ethyl Ester

Vaqora Chemicals supplies Febuxostat 2-Butyl Isomer Ethyl Ester, an impurity of Febuxostat registered under CAS number 2375033-35-3. The compound has the formula C18H20N2O3S, corresponding to a molecular weight of 344.4 g/mol. The IUPAC name is ethyl 2-(4-butan-2-yloxy-3-cyanophenyl)-4-methyl-1,3-thiazole-5-carboxylate.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

Pharmaceutical QC and development laboratories use this impurity standard of Febuxostat to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer Febuxostat 2-Butyl Isomer Ethyl Ester in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Febuxostat

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

Febuxostat impurities

Specifications & identifiers

Chemical identifiers
Product name	Febuxostat 2-Butyl Isomer Ethyl Ester
Catalogue No.	VQ-030693
CAS Number	2375033-35-3
IUPAC name	ethyl 2-(4-butan-2-yloxy-3-cyanophenyl)-4-methyl-1,3-thiazole-5-carboxylate
Molecular formula	C₁₈H₂₀N₂O₃S
Molecular weight	344.4 g/mol
Exact mass	344.1195
Grade	Reference Standard
HSN code	38229090
InChIKey	BAJUCUHABAUVRC-UHFFFAOYSA-N
SMILES	CCC(C)OC1=C(C=C(C=C1)C2=NC(=C(S2)C(=O)OCC)C)C#N
PubChem CID	154487558

Physical properties
Physical form	Solid
LogP (XLogP3)	4.6
H-bond donors / acceptors	0 / 6
TPSA	100 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 Febuxostat 2-Butyl Isomer Ethyl Ester?

The CAS Registry Number of Febuxostat 2-Butyl Isomer Ethyl Ester is 2375033-35-3. It is also known as Ethyl 2-(4-(sec-Butoxy)-3-cyanophenyl)-4-methylthiazole-5-carboxylate.

What is the molecular formula and molecular weight of Febuxostat 2-Butyl Isomer Ethyl Ester?

Febuxostat 2-Butyl Isomer Ethyl Ester has the molecular formula C18H20N2O3S and a molecular weight of 344.4 g/mol. Its IUPAC name is ethyl 2-(4-butan-2-yloxy-3-cyanophenyl)-4-methyl-1,3-thiazole-5-carboxylate.

What is Febuxostat 2-Butyl Isomer Ethyl Ester used for?

Febuxostat 2-Butyl Isomer Ethyl Ester is supplied as a characterised reference material related to Febuxostat. 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 Febuxostat 2-Butyl Isomer Ethyl Ester can I order?

We supply Febuxostat 2-Butyl Isomer Ethyl Ester in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Febuxostat 2-Butyl Isomer Ethyl Ester?

Yes. Every lot of Febuxostat 2-Butyl Isomer Ethyl 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 Febuxostat 2-Butyl Isomer Ethyl Ester be shipped internationally?

Yes. We export Febuxostat 2-Butyl Isomer Ethyl Ester worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.