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1621066-71-4

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1621066-71-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1621066-71-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,1,0,6 and 6 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1621066-71:
(9*1)+(8*6)+(7*2)+(6*1)+(5*0)+(4*6)+(3*6)+(2*7)+(1*1)=134
134 % 10 = 4
So 1621066-71-4 is a valid CAS Registry Number.

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