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172695-31-7

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172695-31-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 172695-31-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,6,9 and 5 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 172695-31:
(8*1)+(7*7)+(6*2)+(5*6)+(4*9)+(3*5)+(2*3)+(1*1)=157
157 % 10 = 7
So 172695-31-7 is a valid CAS Registry Number.

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