Firocoxib

Name: Firocoxib
Brand: Vaqora Chemicals
SKU: VQ-007481

About Firocoxib

Listed under CAS 189954-96-9, Firocoxib is a high-purity reference standard of Firocoxib available from Vaqora Chemicals. Formula C17H20O5S, molecular weight 336.4 g/mol. Systematically, it is named 3-(cyclopropylmethoxy)-5,5-dimethyl-4-(4-methylsulfonylphenyl)furan-2-one. It is also known as Equioxx or Equixx.

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. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

As a reference sample of Firocoxib, 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.

Vaqora Chemicals supplies Firocoxib in 10 mg, 25 mg and 50 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. Stock is available for quick dispatch.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Firocoxib

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

Firocoxib impurities

Specifications & identifiers

Chemical identifiers
Product name	Firocoxib
Catalogue No.	VQ-007481
CAS Number	189954-96-9
IUPAC name	3-(cyclopropylmethoxy)-5,5-dimethyl-4-(4-methylsulfonylphenyl)furan-2-one
Molecular formula	C₁₇H₂₀O₅S
Molecular weight	336.4 g/mol
Exact mass	336.1031
Grade	Reference Standard
HSN code	38229090
InChIKey	FULAPETWGIGNMT-UHFFFAOYSA-N
SMILES	CC1(C(=C(C(=O)O1)OCC2CC2)C3=CC=C(C=C3)S(=O)(=O)C)C
PubChem CID	208910

Physical properties
Physical form	Solid
LogP (XLogP3)	2.2
H-bond donors / acceptors	0 / 5
TPSA	78.1 Å²
Synonyms	3-(cyclopropylmethoxy)-5,5-dimethyl-4-(4-(methylsulfonyl)phenyl)furan-2(5H)-one, 3-(Cyclopropylmethoxy)-5,5-dimethyl-4-[4-(methylsulfonyl)phenyl]-2(5H)-furanone, Equioxx, Equixx, Librens, Previcox, Firocoxib (ema epar: veterinary), 2(5H)-Furanone, 3-(cyclopropylmethoxy)-5,5-dimethyl-4-[4-(methylsulfonyl)phenyl]-, 3-(Cyclopropylmethoxy)-4-(4-methylsulfonylphenyl)-5,5-dimethylfuranone, 3-(cyclopropylmethoxy)-4-(4-methanesulfonylphenyl)-5,5-dimethyl-2,5-dihydrofuran-2-one, 2(5H)-Furanone, 3-(cyclopropylmethoxy)-5,5-dimethyl-4-(4-(methylsulfonyl)phenyl)-, 3-(cyclopropylmethoxy)-5,5-dimethyl-4-[4-(methylsulfonyl)phenyl]furan-2(5H)-one

Safety & hazard information (GHS)

Health hazard

Signal word: Danger

Hazard statements

H360May damage fertility or the unborn child
H361Suspected of damaging fertility or the unborn child
H373May causes damage to organs through prolonged or repeated exposure
H412Harmful to aquatic life with long lasting effects

Precautionary statements: P203, P260, P273, P280, P318, P319, P405, 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

Frequently asked questions

What is the CAS number of Firocoxib?

The CAS Registry Number of Firocoxib is 189954-96-9. It is also known as 3-(cyclopropylmethoxy)-5,5-dimethyl-4-(4-(methylsulfonyl)phenyl)furan-2(5H)-one, 3-(Cyclopropylmethoxy)-5,5-dimethyl-4-[4-(methylsulfonyl)phenyl]-2(5H)-furanone, Equioxx.

What is the molecular formula and molecular weight of Firocoxib?

Firocoxib has the molecular formula C17H20O5S and a molecular weight of 336.4 g/mol. Its IUPAC name is 3-(cyclopropylmethoxy)-5,5-dimethyl-4-(4-methylsulfonylphenyl)furan-2-one.

What is Firocoxib used for?

Firocoxib is supplied as a characterised reference material related to Firocoxib. 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 Firocoxib can I order?

We supply Firocoxib in Reference Standard 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 Firocoxib?

Yes. Every lot of Firocoxib 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 Firocoxib be shipped internationally?

Yes. Firocoxib 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.