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68139-79-7

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68139-79-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 68139-79-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,1,3 and 9 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 68139-79:
(7*6)+(6*8)+(5*1)+(4*3)+(3*9)+(2*7)+(1*9)=157
157 % 10 = 7
So 68139-79-7 is a valid CAS Registry Number.

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