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68398-28-7

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68398-28-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 68398-28-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,3,9 and 8 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 68398-28:
(7*6)+(6*8)+(5*3)+(4*9)+(3*8)+(2*2)+(1*8)=177
177 % 10 = 7
So 68398-28-7 is a valid CAS Registry Number.

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