Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3,4-DIMETHOXY-3,5,7-TRIHYDROXYFLAVONE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

3306-29-4

3306-29-4 structure

3306-29-4 structure

Name: 3,4-DIMETHOXY-3,5,7-TRIHYDROXYFLAVONE
Chemical Name: 2-(3,4-dimethoxyphenyl)-3,5,7-trihydroxychromen-4-one
CAS Number: 3306-29-4
Molecular Formula: C₁₇H₁₄O₇
Molecular Weight: 330.28900
Create Date: 2018-08-01 10:18:35
Modify Date: 2025-09-18 11:43:39

Name	2-(3,4-dimethoxyphenyl)-3,5,7-trihydroxychromen-4-one
Synonyms	2-(3,4-dimethoxy-phenyl)-3,5,7-trihydroxy-chromen-4-one Dillenetin 3',4'-O-dimethylquercetin 3',4'-Dimethoxyquercetin 3',4'-dimethylquercetin UNII-S3Z5LJ2T0Y 2-(3,4-dimethoxyphenyl)-3,5,7-trihydroxy-4H-chromen-4-one 3,5,7-trihydroxy-3',4'-dimethoxyflavone quercetin-3',4'-dimethyl ether

Density	1.507g/cm3
Boiling Point	562.2ºC at 760mmHg
Molecular Formula	C₁₇H₁₄O₇
Molecular Weight	330.28900
Flash Point	209.5ºC
Exact Mass	330.07400
PSA	109.36000
LogP	2.59400
Index of Refraction	1.681

HS Code	2914509090

1393953-75-7 structure

1393953-75-7

~91%

3306-29-4 structure

3306-29-4

Literature: Shi, Zhi-Hao; Li, Nian-Guang; Tang, Yu-Ping; Wei-Li; Lian-Yin; Yang, Jian-Ping; Hao-Tang; Duan, Jin-Ao European Journal of Medicinal Chemistry, 2012 , vol. 54, p. 210 - 222

HS Code	2914509090
Summary	HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

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