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179115-20-9

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179115-20-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 179115-20-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,9,1,1 and 5 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 179115-20:
(8*1)+(7*7)+(6*9)+(5*1)+(4*1)+(3*5)+(2*2)+(1*0)=139
139 % 10 = 9
So 179115-20-9 is a valid CAS Registry Number.

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