7-Ethoxy-3-phenyl-4H-chromen-4-one

Name: 7-Ethoxy-3-phenyl-4H-chromen-4-one
Brand: Vaqora Chemicals
SKU: VQ-050284

About 7-Ethoxy-3-phenyl-4H-chromen-4-one

Vaqora Chemicals supplies 7-Ethoxy-3-phenyl-4H-chromen-4-one, an API impurity reference standard registered under CAS number 13057-73-3. With the molecular formula C17H14O3, it has a molar mass of 266.29 g/mol. Its systematic (IUPAC) name is 7-ethoxy-3-phenylchromen-4-one. It is also known as 7-ethoxyisoflavone.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

This the parent drug substance impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 7-Ethoxy-3-phenyl-4H-chromen-4-one is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Specifications & identifiers

Chemical identifiers
Product name	7-Ethoxy-3-phenyl-4H-chromen-4-one
Catalogue No.	VQ-050284
CAS Number	13057-73-3
IUPAC name	7-ethoxy-3-phenylchromen-4-one
Molecular formula	C₁₇H₁₄O₃
Molecular weight	266.29 g/mol
Exact mass	266.0943
Grade	Reference Standard
HSN code	38229090
InChIKey	MEIOIMGKPPMDKW-UHFFFAOYSA-N
SMILES	CCOC1=CC2=C(C=C1)C(=O)C(=CO2)C3=CC=CC=C3
PubChem CID	710554

Physical properties
Physical form	Solid
LogP (XLogP3)	3.5
H-bond donors / acceptors	0 / 3
TPSA	35.5 Å²

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, 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 7-Ethoxy-3-phenyl-4H-chromen-4-one?

The CAS Registry Number of 7-Ethoxy-3-phenyl-4H-chromen-4-one is 13057-73-3. It is also known as 7-ethoxyisoflavone.

What is the molecular formula and molecular weight of 7-Ethoxy-3-phenyl-4H-chromen-4-one?

7-Ethoxy-3-phenyl-4H-chromen-4-one has the molecular formula C17H14O3 and a molecular weight of 266.29 g/mol. Its IUPAC name is 7-ethoxy-3-phenylchromen-4-one.

Which grade and pack sizes of 7-Ethoxy-3-phenyl-4H-chromen-4-one can I order?

We supply 7-Ethoxy-3-phenyl-4H-chromen-4-one 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 7-Ethoxy-3-phenyl-4H-chromen-4-one?

Yes. Every lot of 7-Ethoxy-3-phenyl-4H-chromen-4-one 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 7-Ethoxy-3-phenyl-4H-chromen-4-one be shipped internationally?

Yes. 7-Ethoxy-3-phenyl-4H-chromen-4-one 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.