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4H-1-Benzopyran-4-one, 5,8-dihydroxy-6,7-dimethoxy-2-(3,4,5-trimethoxyphenyl)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

29215-56-3

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29215-56-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 29215-56-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,9,2,1 and 5 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 29215-56:
(7*2)+(6*9)+(5*2)+(4*1)+(3*5)+(2*5)+(1*6)=113
113 % 10 = 3
So 29215-56-3 is a valid CAS Registry Number.

29215-56-3Downstream Products

29215-56-3Relevant academic research and scientific papers

SYNTHESIS OF 5,8-DIHYDROXY-6,7-DIMETHOXYFLAVONES AND REVISED STRUCTURES FOR SOME NATURAL FLAVONES

Horie, Tokunaru,Kawamura, Yasuhiko,Yamamoto, Hitoshi,Kitou, Takeshi,Yamashita, Kazuyo

, p. 1201 - 1210 (2007/10/02)

Six 5,8-dihydroxy-6,7-dimethoxyflavones and three 8-hydroxy-5,6,7-trimethoxyflavones were synthesized from 2',5'-dihydroxy-3',4',6'-trimethoxyacetophenone by adapting the selective O-alkylation and dealkylation, and the differentiation between the flavones and their isomeric 6-hydroxyflavones was clarified by 1H NMR and UV spectra.Four natural flavones proposed as 5,8-dihydroxy-6,7-dimethoxyflavones, must have other structures and three are shown to be isomeric 5,7-dihydroxy-6,8-dimethoxyflavones.A flavone, isolated from Helichrysum, is revised to the isomeric 7-hydroxy-5,6,7-trimethoxyflavone,

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