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89817-26-5

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89817-26-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89817-26-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,8,1 and 7 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 89817-26:
(7*8)+(6*9)+(5*8)+(4*1)+(3*7)+(2*2)+(1*6)=185
185 % 10 = 5
So 89817-26-5 is a valid CAS Registry Number.

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