5,6,7,8-四甲氧基-2-(4-甲氧基苯基)-4-苯并吡喃酮

Name: 5,6,7,8-四甲氧基-2-(4-甲氧基苯基)-4-苯并吡喃酮
Brand: 济南圣和化工有限公司

CAS 481-53-8C20H20O7MW 372.4

5,6,7,8-四甲氧基-2-(4-甲氧基苯基)-4-苯并吡喃酮，CAS 登记号 481-53-8，由济南圣和化工有限公司现货供应，可提供纯度按批次COA提供(不公开发布) 的规格，下游主要用于有机化学品。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。

规格参数

CAS号481-53-8

分子式C20H20O7

分子量372.4

熔点154 °C

LogP3

纯度按批次COA提供(不公开发布)

包装按订单/批次确认(不公开发布)

应用领域有机化学品

类别有机化学品

用途与场景

有机化学品

包装与供货

包装规格按订单/批次确认(不公开发布)

纯度规格按批次COA提供(不公开发布)

储存条件密封、阴凉干燥处保存

供货周期现货/按订单安排

文件与支持

每批随货提供 COA；可按需提供 MSDS 及技术文件。邮件注明产品名称与 CAS 号，一个工作日内回复报价。

常见问题

在哪里能查到 5,6,7,8-四甲氧基-2-(4-甲氧基苯基)-4-苯并吡喃酮的 CAS 号？

本页已列出 5,6,7,8-四甲氧基-2-(4-甲氧基苯基)-4-苯并吡喃酮的 CAS 号：481-53-8，可与随货 COA 核对。

可以提供哪些规格和包装？

常见纯度为按批次COA提供(不公开发布)，包装形式为按订单/批次确认(不公开发布)，特殊规格可在询价时说明。

5,6,7,8-四甲氧基-2-(4-甲氧基苯基)-4-苯并吡喃酮一般用在什么产品里？

主要涉及有机化学品。

下单流程是怎样的？

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PubChem 公开数据

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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