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128810-61-7

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128810-61-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128810-61-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,8,1 and 0 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 128810-61:
(8*1)+(7*2)+(6*8)+(5*8)+(4*1)+(3*0)+(2*6)+(1*1)=127
127 % 10 = 7
So 128810-61-7 is a valid CAS Registry Number.

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