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1978-70-7

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1978-70-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1978-70-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,9,7 and 8 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1978-70:
(6*1)+(5*9)+(4*7)+(3*8)+(2*7)+(1*0)=117
117 % 10 = 7
So 1978-70-7 is a valid CAS Registry Number.

1978-70-7Downstream Products

1978-70-7Relevant articles and documents

Ligand-free copper-catalyzed direct amidation of diaryliodonium salts using nitriles as amidation reagents

Cheng, Hui-cheng,Guo, Penghu,Ji, Hong-bing,Ma, Jiao-li,Zhang, Yang,Zhou, Lichao,Zhou, Xuming

supporting information, (2021/04/19)

An efficient and practical methodology for the synthesis of N-arylamides has been developed via copper-catalyzed amidation of diaryliodonium salts with nitriles. Various substituted aryl nitriles and aliphatic nitriles could be applied in the reaction, providing a series of N-arylated amides in moderate to good yields. This procedure provides an alternative route for the synthesis of various N-arylamides. A proposed mechanism based on control experiments is also presented.

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