Flocoumafen

About Flocoumafen

Flocoumafen is a high-purity reference standard of Allopurinol carrying the CAS registry number 90035-08-8. Its molecular formula is C33H25F3O4 and its molecular weight is 542.5 g/mol. Its systematic (IUPAC) name is 4-hydroxy-3-[3-[4-[[4-(trifluoromethyl)phenyl]methoxy]phenyl]-1,2,3,4-tetrahydronaphthalen-1-yl]chromen-2-one. Alternative names: Flocoumafene and Flocoumafen [BSI:ISO].

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 “Danger”, so handle it with suitable PPE and consult the SDS.

As a reference sample of Allopurinol, 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.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Flocoumafen is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material
Agrochemical formulations

Industries

Related to Allopurinol

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

Allopurinol impurities

Specifications & identifiers

Chemical identifiers
Product name	Flocoumafen
Catalogue No.	VQ-037307
CAS Number	90035-08-8
IUPAC name	4-hydroxy-3-[3-[4-[[4-(trifluoromethyl)phenyl]methoxy]phenyl]-1,2,3,4-tetrahydronaphthalen-1-yl]chromen-2-one
Molecular formula	C₃₃H₂₅F₃O₄
Molecular weight	542.5 g/mol
Exact mass	542.1705
Grade	Reference Standard
HSN code	38229090
InChIKey	KKBGNYHHEIAGOH-UHFFFAOYSA-N
SMILES	C1C(CC2=CC=CC=C2C1C3=C(C4=CC=CC=C4OC3=O)O)C5=CC=C(C=C5)OCC6=CC=C(C=C6)C(F)(F)F
PubChem CID	54698175

Physical properties
Physical form	Solid
LogP (XLogP3)	7.7
H-bond donors / acceptors	1 / 7
TPSA	55.8 Å²

Safety & hazard information (GHS)

Toxic

Health hazard

Environmental hazard

Signal word: Danger

Hazard statements

H300Fatal if swallowed
H310Fatal in contact with skin
H330Fatal if inhaled
H372Causes damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P203, P260, P262, P264, P270, P271, P273, P280, P284, P301 + P316, P302 + P352, P304 + P340, P316, P318, P319, P320, P321, P330, P361 + P364, P391, P403 + P233, 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 Flocoumafen?

The CAS Registry Number of Flocoumafen is 90035-08-8. It is also known as Flocoumafene, Flocoumafen [BSI:ISO], Flocoumafene [ISO-French].

What is the molecular formula and molecular weight of Flocoumafen?

Flocoumafen has the molecular formula C33H25F3O4 and a molecular weight of 542.5 g/mol. Its IUPAC name is 4-hydroxy-3-[3-[4-[[4-(trifluoromethyl)phenyl]methoxy]phenyl]-1,2,3,4-tetrahydronaphthalen-1-yl]chromen-2-one.

What is Flocoumafen used for?

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

We supply Flocoumafen 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 Flocoumafen?

Yes. Every lot of Flocoumafen 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 Flocoumafen be shipped internationally?

Yes. Flocoumafen 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.