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172735-66-9

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172735-66-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 172735-66-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,7,3 and 5 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 172735-66:
(8*1)+(7*7)+(6*2)+(5*7)+(4*3)+(3*5)+(2*6)+(1*6)=149
149 % 10 = 9
So 172735-66-9 is a valid CAS Registry Number.

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