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: 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-6-methoxy-4-benzopyrone
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

519-96-0

519-96-0 structure

519-96-0 structure

Name: 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-6-methoxy-4-benzopyrone
Chemical Name: patuletin
CAS Number: 519-96-0
Molecular Formula: C₁₆H₁₂O₈
Molecular Weight: 332.26200
Create Date: 2017-01-13 18:48:59
Modify Date: 2025-08-25 18:38:12

Name	patuletin
Synonyms	6-O-Methylquercetagetin 6-Methoxyquercetin 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-6-methoxychromen-4-one 3,5,7,3',4'-Pentahydroxy-6-methoxyflavone Quercetagetin 6-methyl ether 2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-6-methoxy-4-benzopyrone Patuletin

Density	1.73g/cm3
Boiling Point	684.1ºC at 760mmHg
Molecular Formula	C₁₆H₁₂O₈
Molecular Weight	332.26200
Flash Point	258.8ºC
Exact Mass	332.05300
PSA	140.59000
LogP	1.99660
Index of Refraction	1.772

HS Code	2914509090

Precursor 3
3162-51-4 3162-52-5 7499-99-2
DownStream 2
90-18-6 479-90-3

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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