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: 3,5-Dihydroxy-6,7,8-trimethoxy-2-phenyl-4H-1-benzopyran-4-one
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

14221-65-9

14221-65-9 structure

14221-65-9 structure

Name: 3,5-Dihydroxy-6,7,8-trimethoxy-2-phenyl-4H-1-benzopyran-4-one
Chemical Name: 3,5-dihydroxy-6,7,8-trimethoxy-2-phenylchromen-4-one
CAS Number: 14221-65-9
Molecular Formula: C₁₈H₁₆O₇
Molecular Weight: 344.31500
Create Date: 2016-02-20 09:04:58
Modify Date: 2025-08-31 20:37:23

Name	3,5-dihydroxy-6,7,8-trimethoxy-2-phenylchromen-4-one
Synonyms	3,5-Dihydroxy-6,7,8-trimethoxy-flavon TYZXGIOTNSBKDB-UHFFFAOYSA HMS2271C05 3,5-Dihydroxy-6,7,8-trimethoxyflavone 3,5-dihydroxy-6,7,8-trimethoxy-2-phenyl-chromen-4-one 4H-1-Benzopyran-4-one,3,5-dihydroxy-6,7,8-trimethoxy-2-phenyl

Density	1.407g/cm3
Boiling Point	579.7ºC at 760 mmHg
Molecular Formula	C₁₈H₁₆O₇
Molecular Weight	344.31500
Flash Point	213.1ºC
Exact Mass	344.09000
PSA	98.36000
LogP	2.89700
Vapour Pressure	2.78E-14mmHg at 25°C
Index of Refraction	1.635

HS Code	2914509090

Precursor 0
DownStream 1
14221-85-3

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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