Aurantine

About Aurantine

Aurantine is an oxygen heterocycle in Synthesis grade carrying the CAS registry number 522-16-7, specified at 95% purity. The compound has the formula C20H20O7, corresponding to a molecular weight of 372.4 g/mol. The IUPAC name is 3,6,7,8-tetramethoxy-2-(4-methoxyphenyl)chromen-4-one. Alternative names: Aurantin and Auranetin.

The material typically appears as a yellow viscous liquid. Store in a tightly closed container in a cool, dry and well-ventilated place. Good laboratory practice and suitable PPE are recommended during handling.

It is commonly used for organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 500 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Aurantine
Catalogue No.	VQ-012399
CAS Number	522-16-7
IUPAC name	3,6,7,8-tetramethoxy-2-(4-methoxyphenyl)chromen-4-one
Molecular formula	C₂₀H₂₀O₇
Molecular weight	372.4 g/mol
Exact mass	372.1209
Grade	Synthesis
Purity / assay	95%
HSN code	29420090
InChIKey	DGNOHOXRWCCDLK-UHFFFAOYSA-N
SMILES	COC1=CC=C(C=C1)C2=C(C(=O)C3=CC(=C(C(=C3O2)OC)OC)OC)OC
PubChem CID	10643

Physical properties
Physical form	Liquid
Appearance	Yellow viscous liquid
LogP (XLogP3)	3.2
H-bond donors / acceptors	0 / 7
TPSA	72.5 Å²
Synonyms	Aurantin, Auranetin, 4H-1-Benzopyran-4-one, 3,6,7,8-tetramethoxy-2-(4-methoxyphenyl)-, 3,4',6,7,8-Pentamethoxyflavone, 3,6,7,8-Tetramethoxy-2-(4-methoxyphenyl)-4H-1-benzopyran-4-one, 3,6,7,8,4'-pentamethoxyflavone

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 Aurantine?

The CAS Registry Number of Aurantine is 522-16-7. It is also known as Aurantin, Auranetin, 4H-1-Benzopyran-4-one, 3,6,7,8-tetramethoxy-2-(4-methoxyphenyl)-.

What is the molecular formula and molecular weight of Aurantine?

Aurantine has the molecular formula C20H20O7 and a molecular weight of 372.4 g/mol. Its IUPAC name is 3,6,7,8-tetramethoxy-2-(4-methoxyphenyl)chromen-4-one.

Which grade and pack sizes of Aurantine can I order?

We supply Aurantine in Synthesis (95%) grade, in 500 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Aurantine?

Yes. Every lot of Aurantine 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 Aurantine be shipped internationally?

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