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-8-[2-hydroxy-5-(5-hydroxy-7-methoxy-4-oxo-4H-1-benzopyran-2-yl)phenyl]-2-(4-hydroxyphenyl)-4-benzopyrone
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

21763-71-3

21763-71-3 structure

21763-71-3 structure

Name: 5,7-dihydroxy-8-[2-hydroxy-5-(5-hydroxy-7-methoxy-4-oxo-4H-1-benzopyran-2-yl)phenyl]-2-(4-hydroxyphenyl)-4-benzopyrone
Chemical Name: 5,7-dihydroxy-8-[2-hydroxy-5-(5-hydroxy-7-methoxy-4-oxochromen-2-yl)phenyl]-2-(4-hydroxyphenyl)chromen-4-one
CAS Number: 21763-71-3
Molecular Formula: C₃₁H₂₀O₁₀
Molecular Weight: 552.48400
Create Date: 2016-10-05 12:25:23
Modify Date: 2025-09-30 18:18:57

Names
Properties

Name	5,7-dihydroxy-8-[2-hydroxy-5-(5-hydroxy-7-methoxy-4-oxochromen-2-yl)phenyl]-2-(4-hydroxyphenyl)chromen-4-one
Synonyms	7-O-methylamenthoflavone I-7-O-methylamentoflavone I-7-mono-O-methylamentoflavone Brakerin LF-2646 EINECS 244-574-2 IdB-1028 Sequoiaflavone 7'-O-methylamentoflavone 7"-monomethylamentoflavone

Density	1.576g/cm3
Boiling Point	901.2ºC at 760mmHg
Molecular Formula	C₃₁H₂₀O₁₀
Molecular Weight	552.48400
Flash Point	302.6ºC
Exact Mass	552.10600
PSA	170.80000
LogP	5.43700
Vapour Pressure	1.81E-34mmHg at 25°C
Index of Refraction	1.75

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