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1289135-80-3

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1289135-80-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1289135-80-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,9,1,3 and 5 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1289135-80:
(9*1)+(8*2)+(7*8)+(6*9)+(5*1)+(4*3)+(3*5)+(2*8)+(1*0)=183
183 % 10 = 3
So 1289135-80-3 is a valid CAS Registry Number.

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