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91228-50-1

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91228-50-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91228-50-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,2,2 and 8 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 91228-50:
(7*9)+(6*1)+(5*2)+(4*2)+(3*8)+(2*5)+(1*0)=121
121 % 10 = 1
So 91228-50-1 is a valid CAS Registry Number.

91228-50-1Relevant articles and documents

Direct Condensation of arenes with Thiophenes. A Convenient, Mild Synthesis of Aryl(2-thienyl)iodonium Tosylates

Margida, Anthony J.,Koser, Gerald F.

, p. 3643 - 3646 (2007/10/02)

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