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1647073-75-3

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1647073-75-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1647073-75-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,4,7,0,7 and 3 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1647073-75:
(9*1)+(8*6)+(7*4)+(6*7)+(5*0)+(4*7)+(3*3)+(2*7)+(1*5)=183
183 % 10 = 3
So 1647073-75-3 is a valid CAS Registry Number.

1647073-75-3Relevant articles and documents

Copper-mediated ortho-nitration of arene and heteroarene c-h bonds assisted by an 8-aminoquinoline directing group

Liu, Jidan,Zhuang, Shaobo,Gui, Qingwen,Chen, Xiang,Yang, Zhiyong,Tan, Ze

supporting information, p. 732 - 738 (2015/03/18)

A copper-mediated, chelation-assisted ortho C-H bond nitration of benzoic acid derivatives using sodium nitrite as the source of the nitro group has been achieved with the aid of an 8-aminoquinoline directing group. Selective mono- or dinitration can be achieved by simply changing the reaction conditions. The method shows excellent functional group tolerance and provides a novel and straightforward route for the preparation of ortho-nitrated benzoic acids.

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