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219680-72-5

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219680-72-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 219680-72-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,6,8 and 0 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 219680-72:
(8*2)+(7*1)+(6*9)+(5*6)+(4*8)+(3*0)+(2*7)+(1*2)=155
155 % 10 = 5
So 219680-72-5 is a valid CAS Registry Number.

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