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221619-35-8

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221619-35-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 221619-35-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,6,1 and 9 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 221619-35:
(8*2)+(7*2)+(6*1)+(5*6)+(4*1)+(3*9)+(2*3)+(1*5)=108
108 % 10 = 8
So 221619-35-8 is a valid CAS Registry Number.

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