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389617-83-8

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389617-83-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 389617-83-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,9,6,1 and 7 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 389617-83:
(8*3)+(7*8)+(6*9)+(5*6)+(4*1)+(3*7)+(2*8)+(1*3)=208
208 % 10 = 8
So 389617-83-8 is a valid CAS Registry Number.

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