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89812-89-5

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89812-89-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89812-89-5 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 2 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 89812-89:
(7*8)+(6*9)+(5*8)+(4*1)+(3*2)+(2*8)+(1*9)=185
185 % 10 = 5
So 89812-89-5 is a valid CAS Registry Number.

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