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18201-71-3

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18201-71-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18201-71-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,2,0 and 1 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 18201-71:
(7*1)+(6*8)+(5*2)+(4*0)+(3*1)+(2*7)+(1*1)=83
83 % 10 = 3
So 18201-71-3 is a valid CAS Registry Number.

18201-71-3Relevant articles and documents

Chemoselective: N -arylation of aminobenzamides via copper catalysed Chan-Evans-Lam reactions

Liu, Shuai,Zu, Weisai,Zhang, Jinli,Xu, Liang

supporting information, p. 9288 - 9292 (2017/11/23)

Chemoselective N-arylation of unprotected aminobenzamides was achieved via Cu-catalysed Chan-Evans-Lam cross-coupling with aryl boronic acids for the first time. Simple copper catalysts enable the selective arylation of amino groups in ortho/meta/para-aminobenzamides under open-flask conditions. The reactions were scalable and compatible with a wide range of functional groups.

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