Warfarin

Name: Warfarin
Brand: Vaqora Chemicals
SKU: VQ-028766

About Warfarin

Listed under CAS 81-81-2, Warfarin is a high-purity reference standard of Warfarin available from Vaqora Chemicals. Its molecular formula is C19H16O4 and its molecular weight is 308.3 g/mol. Its systematic (IUPAC) name is 4-hydroxy-3-(3-oxo-1-phenylbutyl)chromen-2-one. Alternative names: Coumafene and Zoocoumarin.

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.

Laboratories use this Warfarin standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Warfarin 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 Warfarin

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

Warfarin impurities

Specifications & identifiers

Chemical identifiers
Product name	Warfarin
Catalogue No.	VQ-028766
CAS Number	81-81-2
IUPAC name	4-hydroxy-3-(3-oxo-1-phenylbutyl)chromen-2-one
Molecular formula	C₁₉H₁₆O₄
Molecular weight	308.3 g/mol
Exact mass	308.1049
Grade	Reference Standard
HSN code	38229090
InChIKey	PJVWKTKQMONHTI-UHFFFAOYSA-N
SMILES	CC(=O)CC(C1=CC=CC=C1)C2=C(C3=CC=CC=C3OC2=O)O
PubChem CID	54678486

Physical properties
Physical form	Solid
LogP (XLogP3)	2.7
H-bond donors / acceptors	1 / 4
TPSA	63.6 Å²
Synonyms	Coumafene, Zoocoumarin, Brumolin, Coumefene, Warfarine, Vampirinip II, Kypfarin, Rodafarin, Solfarin, Temus W, Vampirinip iii, Athrombine-K

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
H411Toxic 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 Warfarin?

The CAS Registry Number of Warfarin is 81-81-2. It is also known as Coumafene, Zoocoumarin, Brumolin.

What is the molecular formula and molecular weight of Warfarin?

Warfarin has the molecular formula C19H16O4 and a molecular weight of 308.3 g/mol. Its IUPAC name is 4-hydroxy-3-(3-oxo-1-phenylbutyl)chromen-2-one.

What is Warfarin used for?

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

We supply Warfarin 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 Warfarin?

Yes. Every lot of Warfarin 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 Warfarin be shipped internationally?

Yes. Warfarin 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.