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1220018-18-7

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1220018-18-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1220018-18-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,0,0,1 and 8 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1220018-18:
(9*1)+(8*2)+(7*2)+(6*0)+(5*0)+(4*1)+(3*8)+(2*1)+(1*8)=77
77 % 10 = 7
So 1220018-18-7 is a valid CAS Registry Number.

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