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117689-35-7

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117689-35-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117689-35-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,6,8 and 9 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 117689-35:
(8*1)+(7*1)+(6*7)+(5*6)+(4*8)+(3*9)+(2*3)+(1*5)=157
157 % 10 = 7
So 117689-35-7 is a valid CAS Registry Number.

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