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138697-63-9

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138697-63-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138697-63-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,6,9 and 7 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 138697-63:
(8*1)+(7*3)+(6*8)+(5*6)+(4*9)+(3*7)+(2*6)+(1*3)=179
179 % 10 = 9
So 138697-63-9 is a valid CAS Registry Number.

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