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231947-22-1

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231947-22-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 231947-22-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,1,9,4 and 7 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 231947-22:
(8*2)+(7*3)+(6*1)+(5*9)+(4*4)+(3*7)+(2*2)+(1*2)=131
131 % 10 = 1
So 231947-22-1 is a valid CAS Registry Number.

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