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177028-56-7

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177028-56-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 177028-56-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,7,0,2 and 8 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 177028-56:
(8*1)+(7*7)+(6*7)+(5*0)+(4*2)+(3*8)+(2*5)+(1*6)=147
147 % 10 = 7
So 177028-56-7 is a valid CAS Registry Number.

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