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1219981-19-7

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1219981-19-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1219981-19-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,9,9,8 and 1 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1219981-19:
(9*1)+(8*2)+(7*1)+(6*9)+(5*9)+(4*8)+(3*1)+(2*1)+(1*9)=177
177 % 10 = 7
So 1219981-19-7 is a valid CAS Registry Number.

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