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',7,8-Tetramethoxy-5,6-dihydroxyflavone
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

13509-93-8

13509-93-8 structure

13509-93-8 structure

Name: 3',4',7,8-Tetramethoxy-5,6-dihydroxyflavone
Chemical Name: Pebrellin
CAS Number: 13509-93-8
Molecular Formula: C₁₉H₁₈O₈
Molecular Weight: 374.341
Create Date: 2021-09-10 16:47:03
Modify Date: 2025-09-11 12:12:15

Names
Properties

Name	Pebrellin
Synonyms	Flavone, 5,6-dihydroxy-3',4',7,8-tetramethoxy- 4H-1-Benzopyran-4-one, 2-(3,4-dimethoxyphenyl)-5,6-dihydroxy-7,8-dimethoxy- 5,6-dihydroxy-7,8,3',4'-tetramethoxyflavone Pebrellin 2-(3,4-Dimethoxyphenyl)-5,6-dihydroxy-7,8-dimethoxy-4H-chromen-4-one

Density	1.4±0.1 g/cm3
Boiling Point	633.7±55.0 °C at 760 mmHg
Molecular Formula	C₁₉H₁₈O₈
Molecular Weight	374.341
Flash Point	229.7±25.0 °C
Exact Mass	374.100159
LogP	2.81
Vapour Pressure	0.0±1.9 mmHg at 25°C
Index of Refraction	1.613

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