S-(-)-Warfarin

Name: S-(-)-Warfarin
Brand: Vaqora Chemicals
SKU: VQ-024037

About S-(-)-Warfarin

Vaqora Chemicals supplies S-(-)-Warfarin, an impurity of Warfarin registered under CAS number 5543-57-7. The compound has the formula C19H16O4, corresponding to a molecular weight of 308.3 g/mol. Systematically, it is named 4-hydroxy-3-[(1S)-3-oxo-1-phenylbutyl]chromen-2-one. Alternative names: Warfarin S-Isomer and (-)-Warfarin.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Pharmaceutical QC and development laboratories use this impurity standard of Warfarin to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer S-(-)-Warfarin in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Warfarin

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

Warfarin impurities

Specifications & identifiers

Chemical identifiers
Product name	S-(-)-Warfarin
Catalogue No.	VQ-024037
CAS Number	5543-57-7
IUPAC name	4-hydroxy-3-[(1S)-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-HNNXBMFYSA-N
SMILES	CC(=O)C[C@@H](C1=CC=CC=C1)C2=C(C3=CC=CC=C3OC2=O)O
PubChem CID	54688261

Physical properties
Physical form	Solid
LogP (XLogP3)	2.7
H-bond donors / acceptors	1 / 4
TPSA	63.6 Å²
Synonyms	Warfarin S-Isomer, (-)-Warfarin, levrowarfarin, Warfarin, (S)-, (S)-4-Hydroxy-3-(3-oxo-1-phenylbutyl)-2-benzopyrone, Coumarin, 3-(.alpha.-acetonylbenzyl)-4-hydroxy-, (S)-(-)-, 4-hydroxy-3-((1S)-3-oxo-1-phenylbutyl)chromen-2-one, 4-hydroxy-3-((1S)-3-oxo-1-phenylbutyl)-2H-chromen-2-one, (S)-4-hydroxy-3-(3-oxo-1-phenylbutyl)-2H-chromen-2-one

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 S-(-)-Warfarin?

The CAS Registry Number of S-(-)-Warfarin is 5543-57-7. It is also known as Warfarin S-Isomer, (-)-Warfarin, levrowarfarin.

What is the molecular formula and molecular weight of S-(-)-Warfarin?

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

What is S-(-)-Warfarin used for?

S-(-)-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 S-(-)-Warfarin can I order?

We supply S-(-)-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 S-(-)-Warfarin?

Yes. Every lot of S-(-)-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 S-(-)-Warfarin be shipped internationally?

Yes. S-(-)-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.