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1171918-88-9

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1171918-88-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1171918-88-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,1,9,1 and 8 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1171918-88:
(9*1)+(8*1)+(7*7)+(6*1)+(5*9)+(4*1)+(3*8)+(2*8)+(1*8)=169
169 % 10 = 9
So 1171918-88-9 is a valid CAS Registry Number.

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