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7126-77-4

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7126-77-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7126-77-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,1,2 and 6 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 7126-77:
(6*7)+(5*1)+(4*2)+(3*6)+(2*7)+(1*7)=94
94 % 10 = 4
So 7126-77-4 is a valid CAS Registry Number.

7126-77-4Downstream Products

7126-77-4Relevant articles and documents

Efficient synthesis of polymethoxyselenoflavones via regioselective direct C-H arylation of selenochromones

Yang, Woo-Ram,Choi, Yong-Sung,Jeong, Jin-Hyun

, p. 3074 - 3083 (2017)

Substantial research has suggested that the configuration and the total number of functional groups on flavones influence their bioactivity. To investigate the changes in the biological activities of selenoflavones in relationship to structural changes, the development of a generally applicable synthetic method was a key. Until now, an efficient pathway for palladium-catalyzed direct arylation with the selenocyclic enone systems is not known in the literature. We herein introduce a simple direct C-H arylation of two difficult coupling partners, selenochromones and electron-rich aryl bromide, affording diverse polymethoxyselenoflavones with great efficiency and high selectivity.

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