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5980-81-4

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5980-81-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5980-81-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,9,8 and 0 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 5980-81:
(6*5)+(5*9)+(4*8)+(3*0)+(2*8)+(1*1)=124
124 % 10 = 4
So 5980-81-4 is a valid CAS Registry Number.
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