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58809-21-5

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58809-21-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 58809-21-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,8,8,0 and 9 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 58809-21:
(7*5)+(6*8)+(5*8)+(4*0)+(3*9)+(2*2)+(1*1)=155
155 % 10 = 5
So 58809-21-5 is a valid CAS Registry Number.

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