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199982-61-1

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199982-61-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 199982-61-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,9,8 and 2 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 199982-61:
(8*1)+(7*9)+(6*9)+(5*9)+(4*8)+(3*2)+(2*6)+(1*1)=221
221 % 10 = 1
So 199982-61-1 is a valid CAS Registry Number.

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