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1380544-23-9

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1380544-23-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1380544-23-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,0,5,4 and 4 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1380544-23:
(9*1)+(8*3)+(7*8)+(6*0)+(5*5)+(4*4)+(3*4)+(2*2)+(1*3)=149
149 % 10 = 9
So 1380544-23-9 is a valid CAS Registry Number.

1380544-23-9Downstream Products

1380544-23-9Relevant articles and documents

Copper(II)-catalyzed C-H (sp3) oxidation and C-N cleavage: Synthesis of methylene-bridged compounds using TMEDA as a carbon source in water

Zhao, Dan,Wang, Yue,Zhu, Min-Xue,Shen, Qi,Zhang, Lei,Du, Yun,Li, Jian-Xin

, p. 10272 - 10276 (2013/09/02)

A green, simple, and efficient protocol for the selective methylenation via CuCl2/oxygen-mediated C-H (sp3) oxidation and C-N cleavage using tetramethylethylenediamine (TMEDA) as a carbon source has been developed. The reactions were achieved in green solvent water under atmospheric conditions. The protocol exhibited a broad substrate scope including indoles, anilines, pyrroles and 1,3-dicarbonyls. Furthermore, two key intermediates of the reaction were successfully identified and the mechanism was explored. The Royal Society of Chemistry 2013.

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