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1374227-72-1

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1374227-72-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1374227-72-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,4,2,2 and 7 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1374227-72:
(9*1)+(8*3)+(7*7)+(6*4)+(5*2)+(4*2)+(3*7)+(2*7)+(1*2)=161
161 % 10 = 1
So 1374227-72-1 is a valid CAS Registry Number.

1374227-72-1Downstream Products

1374227-72-1Relevant articles and documents

Assembly of N, N -disubstituted hydrazines and 1-aryl-1 H-indazoles via copper-catalyzed coupling reactions

Xiong, Xiaodong,Jiang, Yongwen,Ma, Dawei

supporting information; experimental part, p. 2552 - 2555 (2012/07/13)

CuI-catalyzed coupling of N-acyl-N′-substituted hydrazines with aryl iodides takes place at 60-90 °C to afford N-acyl-N′,N′- disubstituted hydrazines regioselectively and thereby gives a facile method for assembling N,N-diaryl hydrazines. N-Acyl-N′-substituted hydrazines can also react with 2-bromoarylcarbonylic compounds at 60-125 °C under the catalysis of CuI/4-hydroxy-l-proline to provide 1-aryl-1H-indazoles.

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