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216861-20-0

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216861-20-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 216861-20-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,6,8,6 and 1 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 216861-20:
(8*2)+(7*1)+(6*6)+(5*8)+(4*6)+(3*1)+(2*2)+(1*0)=130
130 % 10 = 0
So 216861-20-0 is a valid CAS Registry Number.

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