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637306-91-3

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637306-91-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 637306-91-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,7,3,0 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 637306-91:
(8*6)+(7*3)+(6*7)+(5*3)+(4*0)+(3*6)+(2*9)+(1*1)=163
163 % 10 = 3
So 637306-91-3 is a valid CAS Registry Number.

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