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: 5,6-Dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-3,7-dimethoxy-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

548-74-3

548-74-3 structure

548-74-3 structure

Name: 5,6-Dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-3,7-dimethoxy-4H-1-benzopyran-4-one
Chemical Name: oxyayanin B
CAS Number: 548-74-3
Molecular Formula: C₁₈H₁₆O₈
Molecular Weight: 360.31500
Create Date: 2017-12-22 21:46:03
Modify Date: 2025-08-25 19:28:49

Name	oxyayanin B
Synonyms	4H-1-Benzopyran-4-one,5,6-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-3,7-dimethoxy Oxyanin B Oxyayanin B Flavone,3',5,6-trihydroxy-3,4',7-trimethoxy 5,6-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-3,7-dimethoxychromen-4-one

Molecular Formula	C₁₈H₁₆O₈
Molecular Weight	360.31500
Exact Mass	360.08500
PSA	118.59000
LogP	2.60260

HS Code	2914509090

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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