Warfarin

Name: Warfarin
Brand: Zemixal
SKU: ZX-027645

Reference StandardAvailable on request

Order Warfarin (CAS 81-81-2) online at Zemixal. Request a quote with price, lead time and documents. Quotes within one business day.

Pack sizes

CAS number81-81-2

FormulaC₁₉H₁₆O₄

Molar mass308.3 g/mol

Physical formSolid

HS code38229090

InChIKeyPJVWKTKQMONHTI-UHFFFAOYSA-N

IUPAC name4-hydroxy-3-(3-oxo-1-phenylbutyl)chromen-2-one

About Warfarin

Zemixal lists Warfarin for laboratories that identify, quantify or control Warfarin and its related substances. Identity at a glance (Reference Standard): CAS 81-81-2, formula C19H16O4 and molar mass 308.3 g/mol. It is handled as a solid.

Use cases we see most often

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

Safe handling

Hazard communication follows GHS (Danger: H300, H310, H330 and H372). Our SDS lists exposure controls and first-aid measures.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Every shipment includes a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Warfarin

See every impurity, metabolite and related compound we list for this API.

Warfarin standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Warfarin
Product name	Warfarin
Catalogue number	ZX-027645
CAS number	81-81-2
IUPAC name	4-hydroxy-3-(3-oxo-1-phenylbutyl)chromen-2-one
Molecular formula	C₁₉H₁₆O₄
Molar mass	308.3 g/mol
Exact mass	308.1049
Grade	Reference Standard
Physical form	Solid
XLogP3	2.7
H-bond donors / acceptors	1 / 4
Topological polar surface area	63.6 Å²
HS 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
Synonyms	Coumafene, Zoocoumarin, Brumolin, Coumefene, Warfarine, Vampirinip II, Kypfarin, Rodafarin, Solfarin, Temus W, Vampirinip iii, Athrombine-K

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Acute toxicity

Health hazard

Hazardous to the environment

Signal word Danger

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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Warfarin
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Warfarin

Which CAS number identifies Warfarin?

Warfarin is registered under CAS 81-81-2. You may also see it listed as Coumafene, Zoocoumarin, Brumolin. Our catalogue number for this item is ZX-027645.

What are the formula and molar mass of Warfarin?

For Warfarin, its formula is C19H16O4 and its molar mass is 308.3 g/mol. The systematic (IUPAC) name is 4-hydroxy-3-(3-oxo-1-phenylbutyl)chromen-2-one. InChIKey PJVWKTKQMONHTI-UHFFFAOYSA-N lets you match it in any structure database.

How is Warfarin used in pharmaceutical QC?

Warfarin is a characterised reference material linked to Warfarin. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for Warfarin?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with Warfarin?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship Warfarin to my country?

Yes. Because Warfarin is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

More Warfarin standards

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