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1211811-66-3

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1211811-66-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1211811-66-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,1,8,1 and 1 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1211811-66:
(9*1)+(8*2)+(7*1)+(6*1)+(5*8)+(4*1)+(3*1)+(2*6)+(1*6)=103
103 % 10 = 3
So 1211811-66-3 is a valid CAS Registry Number.

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