5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)-4-benzopyrone

Name: 5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)-4-benzopyrone
Brand: Jinan Shenghe Chemical Co., Ltd.

CAS 481-53-8C20H20O7MW 372.4

5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)-4-benzopyrone (CAS No. 481-53-8) is supplied by Jinan Shenghe Chemical Co., Ltd. with a typical purity of 按批次COA提供(不公开发布). Main applications include Organic Chemicals. Bulk quantities are available with COA; purity and packaging are subject to batch COA and order confirmation.

Specifications

CAS Number481-53-8

Molecular FormulaC20H20O7

Molecular Weight372.4

Melting Point154 °C

LogP3

Purity按批次COA提供(不公开发布)

Packaging按订单/批次确认(不公开发布)

ApplicationsOrganic Chemicals

CategoryOrganic Chemicals

Where it is used

Organic Chemicals

Packaging & Supply

Packaging按订单/批次确认(不公开发布)

Purity按批次COA提供(不公开发布)

StorageSealed, cool and dry place

Lead TimeIn stock / per order

Documents & Support

COA provided with every batch; MSDS and technical documents available on request. Email us with product name and CAS number for a quote within one business day.

Frequently Asked Questions

What is the CAS number of 5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)-4-benzopyrone?

The CAS number of 5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)-4-benzopyrone is 481-53-8.

What purity and packaging are available?

Typical purity is 按批次COA提供(不公开发布), supplied in 按订单/批次确认(不公开发布), with COA provided.

What are the applications of 5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)-4-benzopyrone?

Main applications include Organic Chemicals.

How do I buy 5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)-4-benzopyrone or get a quote?

Email info@591daili.com or reach us on WhatsApp with the product name, CAS number and required quantity; quotes within one business day. Supplier: Jinan Shenghe Chemical Co., Ltd..

PubChem Public Data

Description

5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)-4-benzopyrone · CAS 481-53-8 · C20H20O7. UNII I4TLA1DLX6. Melting Point: 154 °C; Collision Cross Section: 206.8 Å² [M+Na]+; Collision Cross Section: 186.7 Å² [M+H]+.

Identification

CAS Registry Number	481-53-8
PubChem CID	68077
Molecular formula	C20H20O7
IUPAC name	5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)chromen-4-one
UNII (FDA)	I4TLA1DLX6

Computed Descriptors

Molecular Weight	372.4
XLogP3	3
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	7
Rotatable Bond Count	6
Exact Mass	372.12090297
Monoisotopic Mass	372.12090297
Topological Polar Surface Area	72.5
Heavy Atom Count	27
Formal Charge	0

Physical & Chemical Properties

Melting Point	154 °C
Collision Cross Section	206.8 Å² [M+Na]+
Collision Cross Section	186.7 Å² [M+H]+

Physical description & handling notes

Solid
208.15 Å² [M+Na]+ [CCS Type: DT; Method: stepped-field]
187.9 Å² [M+H]+ [CCS Type: DT; Method: stepped-field]
182 Å² [M+H]+ [CCS Type: TW; Method: calibrated with polyalanine and drug standards]
181.35 Å² [M+H]+ [CCS Type: TW; Method: calibrated with polyalanine and drug standards]
197.07 Å² [M+Na]+ [CCS Type: TW; Method: calibrated with polyalanine and drug standards]

GHS Hazard Classification

Reported hazard statements	H300 (97.5%)

H300 (97.5%): Fatal if swallowed [Danger Acute toxicity, oral]

P264, P270, P301+P316, P321, P330, P405, and P501 (click each P-code to see the statement)

Documented Uses

Tangeretin has known human metabolites that include 4'-Hydroxy-5,6,7,8-tetramethoxyflavone and 5,6-Dihydroxy-7,8,4'-trimethoxyflavone.

Synonyms

Tangeretin; 481-53-8; Tangeritin; Ponkanetin; Pentamethoxyflavone; 4',5,6,7,8-Pentamethoxyflavone; 5,6,7,8,4'-Pentamethoxyflavone; 5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)chromen-4-one; 4H-1-Benzopyran-4-one, 5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)-; 2-(4-Methoxyphenyl)-5,6,7,8-tetramethoxy-4H-1-benzopyran-4-one; I4TLA1DLX6; 5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)-4H-1-benzopyran-4-one; DTXSID30197417; NSC53909; 4',5,6,7,8-pentamethoxy-flavone; NSC-53909

Frequently Asked Questions

What are the CAS number and molecular formula of 5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)-4-benzopyrone?

CAS 481-53-8; molecular formula C20H20O7; molecular weight — g/mol.

What other names is 5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)-4-benzopyrone known by?

Tangeretin, 481-53-8, Tangeritin, Ponkanetin, Pentamethoxyflavone, 4',5,6,7,8-Pentamethoxyflavone.

Is 5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)-4-benzopyrone classified as hazardous?

Hazard statements reported: H300.

What are the key physical properties of 5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)-4-benzopyrone?

Melting Point: 154 °C; Collision Cross Section: 206.8 Å² [M+Na]+; Collision Cross Section: 186.7 Å² [M+H]+.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.

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