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171974-61-1

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171974-61-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 171974-61-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,9,7 and 4 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 171974-61:
(8*1)+(7*7)+(6*1)+(5*9)+(4*7)+(3*4)+(2*6)+(1*1)=161
161 % 10 = 1
So 171974-61-1 is a valid CAS Registry Number.

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