Febuxostat

Name: Febuxostat
Brand: Vaqora Chemicals
SKU: VQ-007475

About Febuxostat

Listed under CAS 144060-53-7, Febuxostat is a high-purity reference standard of Febuxostat available from Vaqora Chemicals. Its molecular formula is C16H16N2O3S and its molecular weight is 316.4 g/mol. Systematically, it is named 2-[3-cyano-4-(2-methylpropoxy)phenyl]-4-methyl-1,3-thiazole-5-carboxylic acid. Alternative names: Adenuric and FBX.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

As a reference sample of Febuxostat, it is used for identification, assay and impurity-profiling work during analytical method development, validation (AMV) and routine QC. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Febuxostat

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

Febuxostat impurities

Specifications & identifiers

Chemical identifiers
Product name	Febuxostat
Catalogue No.	VQ-007475
CAS Number	144060-53-7
Other CAS	442664-09-7
IUPAC name	2-[3-cyano-4-(2-methylpropoxy)phenyl]-4-methyl-1,3-thiazole-5-carboxylic acid
Molecular formula	C₁₆H₁₆N₂O₃S
Molecular weight	316.4 g/mol
Exact mass	316.0882
Grade	Reference Standard
HSN code	38229090
InChIKey	BQSJTQLCZDPROO-UHFFFAOYSA-N
SMILES	CC1=C(SC(=N1)C2=CC(=C(C=C2)OCC(C)C)C#N)C(=O)O
PubChem CID	134018

Physical properties
Physical form	Solid
LogP (XLogP3)	3.9
H-bond donors / acceptors	1 / 6
TPSA	111 Å²
Synonyms	2-[3-Cyano-4-(2-methylpropoxy)phenyl]-4-methyl-5-thiazolecarboxylic acid, 2-(3-Cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid, 2-(3-Cyano-4-isobutyloxyphenyl)-4-methyl-5-thiazolecarboxylic acid, Adenuric, FBX, Febugood, Feburic, Febutaz, Uloric, Zurig, TMX-67, Tei 6720

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H362May cause harm to breast-fed children
H373May causes damage to organs through prolonged or repeated exposure
H413May cause long lasting harmful effects to aquatic life

Precautionary statements: P203, P260, P263, P264, P270, P273, P301 + P317, P318, P319, P330, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

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

Other grades of CAS 144060-53-7

IP/BP/USP

Febuxostat

CAS: 144060-53-7
Formula: C₁₆H₁₆N₂O₃S
MW: 316.4 g/mol

VQ-004128

Frequently asked questions

What is the CAS number of Febuxostat?

The CAS Registry Number of Febuxostat is 144060-53-7. It is also known as 2-[3-Cyano-4-(2-methylpropoxy)phenyl]-4-methyl-5-thiazolecarboxylic acid, 2-(3-Cyano-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid, 2-(3-Cyano-4-isobutyloxyphenyl)-4-methyl-5-thiazolecarboxylic acid.

What is the molecular formula and molecular weight of Febuxostat?

Febuxostat has the molecular formula C16H16N2O3S and a molecular weight of 316.4 g/mol. Its IUPAC name is 2-[3-cyano-4-(2-methylpropoxy)phenyl]-4-methyl-1,3-thiazole-5-carboxylic acid.

What is Febuxostat used for?

Febuxostat 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 can I order?

We supply Febuxostat 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?

Yes. Every lot of Febuxostat 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 be shipped internationally?

Yes. Febuxostat is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.