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16983-65-6

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16983-65-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 16983-65-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,9,8 and 3 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 16983-65:
(7*1)+(6*6)+(5*9)+(4*8)+(3*3)+(2*6)+(1*5)=146
146 % 10 = 6
So 16983-65-6 is a valid CAS Registry Number.

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