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56157-60-9

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56157-60-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 56157-60-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,1,5 and 7 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 56157-60:
(7*5)+(6*6)+(5*1)+(4*5)+(3*7)+(2*6)+(1*0)=129
129 % 10 = 9
So 56157-60-9 is a valid CAS Registry Number.

56157-60-9Downstream Products

56157-60-9Relevant articles and documents

Ag-Cu copromoted direct C2-H bond thiolation of azoles with Bunte salts as sulfur sources

Du, Xiao,Hu, Yuntao,Wang, Rui,Wei, Yingsu,Xu, Hongyan,Zhang, Ying,Zhao, Huaiqing

supporting information, p. 5899 - 5904 (2021/07/12)

A direct C2-H thiolation of azoles with Bunte salts was achieved under the combined action of copper and silver salts. This protocol could furnish various substituted 2-thioazoles in moderate to good yields. This method has a broad substrate scope and shows good functional group tolerance.

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