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1421057-56-8

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1421057-56-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1421057-56-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,1,0,5 and 7 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1421057-56:
(9*1)+(8*4)+(7*2)+(6*1)+(5*0)+(4*5)+(3*7)+(2*5)+(1*6)=118
118 % 10 = 8
So 1421057-56-8 is a valid CAS Registry Number.

1421057-56-8Downstream Products

1421057-56-8Relevant articles and documents

Heteroleptic copper(I) complexes as energy transfer photocatalysts for the intermolecular [2 + 2] photodimerization of chalcones, cinnamates and cinnamamides

Wu, Qing-An,Ren, Chen-Chao,Chen, Feng,Wang, Tian-Qi,Zhang, Yu,Liu, Xue-Fen,Chen, Jian-Bin,Luo, Shu-Ping

supporting information, (2021/05/10)

The [2 + 2] photodimerization of chalcones, cinnamates and cinnamamides can be effectively catalyzed by heteroleptic copper(I) complexes. The reactions were carried out under mild reaction conditions and the products were obtained in 20–72% yield under visible light irradiation. The copper-based photocatalyst comprised of the rigid phenanthroline ligand with substituents at the 2,9-positions and the 4,7-positions showed high activity in the photodimerization via an energy transfer pathway.

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