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664317-59-3

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664317-59-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 664317-59-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,4,3,1 and 7 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 664317-59:
(8*6)+(7*6)+(6*4)+(5*3)+(4*1)+(3*7)+(2*5)+(1*9)=173
173 % 10 = 3
So 664317-59-3 is a valid CAS Registry Number.

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