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: 3,4,8,10-Tetramethoxy[2]benzopyrano[4,3-b][1]benzopyran-7(5H)-one
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

17277-00-8

17277-00-8 structure

17277-00-8 structure

Name: 3,4,8,10-Tetramethoxy[2]benzopyrano[4,3-b][1]benzopyran-7(5H)-one
Chemical Name: 3,4,8,10-Tetramethoxyisochromeno[4,3-b]chromen-7(5H)-one
CAS Number: 17277-00-8
Molecular Formula: C₂₀H₁₈O₇
Molecular Weight: 370.353
Create Date: 2021-09-10 17:45:25
Modify Date: 2025-10-08 17:18:35

Names
Properties

Name	3,4,8,10-Tetramethoxyisochromeno[4,3-b]chromen-7(5H)-one
Synonyms	3,4,8,10-Tetramethoxy[2]benzopyrano[4,3-b][1]benzopyran-7(5H)-one [1]Benzopyrano[3,2-c][2]benzopyran-7(5H)-one, 3,4,8,10-tetramethoxy- 3,4,8,10-Tetramethoxyisochromeno[4,3-b]chromen-7(5H)-one

Density	1.4±0.1 g/cm3
Boiling Point	584.8±50.0 °C at 760 mmHg
Molecular Formula	C₂₀H₁₈O₇
Molecular Weight	370.353
Flash Point	257.9±30.2 °C
Exact Mass	370.105255
LogP	2.29
Vapour Pressure	0.0±1.6 mmHg at 25°C
Index of Refraction	1.624

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