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: 4',5-DIHYDROXY-3,3',7,8-TETRAMETHOXYFLAVONE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

571-71-1

571-71-1 structure

571-71-1 structure

Name: 4',5-DIHYDROXY-3,3',7,8-TETRAMETHOXYFLAVONE
Chemical Name: 5-hydroxy-2-(4-hydroxy-3-methoxyphenyl)-3,7,8-trimethoxychromen-4-one
CAS Number: 571-71-1
Molecular Formula: C₁₉H₁₈O₈
Molecular Weight: 374.34100
Create Date: 2018-08-11 21:09:53
Modify Date: 2025-08-25 14:10:37

Name	5-hydroxy-2-(4-hydroxy-3-methoxyphenyl)-3,7,8-trimethoxychromen-4-one
Synonyms	5,7,8,3'-tetramethoxyflavone Ternatin 4H-1-Benzopyran-4-one,5-hydroxy-2-(4-hydroxy-3-methoxyphenyl)-3,7,8-trimethoxy 4',5-dihydroxy-3,3',7,8-tetramethoxyflavone 5-Hydroxy-2-(4-hydroxy-3-methoxy-phenyl)-3,7,8-trimethoxy-chromen-4-on 5-hydroxy-2-(4-hydroxy-3-methoxy-phenyl)-3,7,8-trimethoxy-chromen-4-one 5,4'-dihydroxy-3,7,8,3'-tetramethoxyflavone

Density	1.44g/cm3
Boiling Point	638.8ºC at 760mmHg
Molecular Formula	C₁₉H₁₈O₈
Molecular Weight	374.34100
Flash Point	231.6ºC
Exact Mass	374.10000
PSA	107.59000
LogP	2.90560
Index of Refraction	1.639

HS Code	2932999099

Precursor 4
742077-67-4 55317-02-7 854873-13-5 742091-40-3
DownStream 0

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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