Eupatilin

Name: Eupatilin
Brand: Vaqora Chemicals
SKU: VQ-030634

About Eupatilin

Eupatilin is an API impurity reference standard carrying the CAS registry number 22368-21-4. Formula C18H16O7, molecular weight 344.3 g/mol. Its systematic (IUPAC) name is 2-(3,4-dimethoxyphenyl)-5,7-dihydroxy-6-methoxychromen-4-one. Alternative names: 5,7-Dihydroxy-3',4',6-trimethoxyflavone and Euptailin.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

Pharmaceutical QC and development laboratories use this impurity standard of the parent drug substance to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer Eupatilin 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

Specifications & identifiers

Chemical identifiers
Product name	Eupatilin
Catalogue No.	VQ-030634
CAS Number	22368-21-4
IUPAC name	2-(3,4-dimethoxyphenyl)-5,7-dihydroxy-6-methoxychromen-4-one
Molecular formula	C₁₈H₁₆O₇
Molecular weight	344.3 g/mol
Exact mass	344.0896
Grade	Reference Standard
HSN code	38229090
InChIKey	DRRWBCNQOKKKOL-UHFFFAOYSA-N
SMILES	COC1=C(C=C(C=C1)C2=CC(=O)C3=C(O2)C=C(C(=C3O)OC)O)OC
PubChem CID	5273755

Physical properties
Physical form	Solid
LogP (XLogP3)	2.9
H-bond donors / acceptors	2 / 7
TPSA	94.5 Å²
Synonyms	5,7-Dihydroxy-3',4',6-trimethoxyflavone, Euptailin, 2-(3,4-Dimethoxyphenyl)-5,7-dihydroxy-6-methoxy-4H-chromen-4-one, 2-(3,4-dimethoxyphenyl)-5,7-dihydroxy-6-methoxy-4H-1-benzopyran-4-one, 2-(3,4-dimethoxyphenyl)-5,7-dihydroxy-6-methoxy-chromen-4-one, 2-(3,4-Dimethoxyphenyl)-5,7-dihydroxy-6-methoxy-4H-1-benzopyran-4-one, 9CI, EX-A7726, 4-Hydroxy-3-ethoxy-5-nitrobenzaldehyde, 5,7-dihydroxy-6,3',4'-trimethoxyflavone, 5,7-dihydroxy-3',4',6-trimethoxy flavone, 2-(3,4-Dimethoxy-phenyl)-5,7-dihydroxy-6-methoxy-chromen-4-one, 2-(3,4-Dimethoxyphenyl)-5,7-dihydroxy-6-methoxy-4H-chromen-4-one #

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 Eupatilin?

The CAS Registry Number of Eupatilin is 22368-21-4. It is also known as 5,7-Dihydroxy-3',4',6-trimethoxyflavone, Euptailin, 2-(3,4-Dimethoxyphenyl)-5,7-dihydroxy-6-methoxy-4H-chromen-4-one.

What is the molecular formula and molecular weight of Eupatilin?

Eupatilin has the molecular formula C18H16O7 and a molecular weight of 344.3 g/mol. Its IUPAC name is 2-(3,4-dimethoxyphenyl)-5,7-dihydroxy-6-methoxychromen-4-one.

Which grade and pack sizes of Eupatilin can I order?

We supply Eupatilin 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 Eupatilin?

Yes. Every lot of Eupatilin 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 Eupatilin be shipped internationally?

Yes. We export Eupatilin worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.