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: 5,7-Dihydroxy-2-(2,4,5-trihydroxyphenyl)-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

1621-84-7

1621-84-7 structure

1621-84-7 structure

Name: 5,7-Dihydroxy-2-(2,4,5-trihydroxyphenyl)-4H-1-benzopyran-4-one
Chemical Name: isoetin
CAS Number: 1621-84-7
Molecular Formula: C₁₅H₁₀O₇
Molecular Weight: 302.23600
Create Date: 2017-06-18 14:31:56
Modify Date: 2025-08-25 09:00:56

Name	isoetin
Synonyms	5,7,2',4',5'-Pentahydroxyflavone 5,7,3',4',6'-Pentahydroxy-flavon Isoetin 5,7-dihydroxy-2-(2,4,5-trihydroxyphenyl)chromen-4-one 5,7-dihydroxy-2-(2,4,5-trihydroxy-phenyl)-chromen-4-one

Density	1.763g/cm3
Boiling Point	682.4ºC at 760mmHg
Molecular Formula	C₁₅H₁₀O₇
Molecular Weight	302.23600
Flash Point	263.3ºC
Exact Mass	302.04300
PSA	131.36000
LogP	1.98800
Vapour Pressure	3E-19mmHg at 25°C
Index of Refraction	1.804

HS Code	2914501900

HS Code	2914501900
Summary	2914501900 other ketone-phenols。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

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