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157690-12-5

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157690-12-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 157690-12-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,6,9 and 0 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 157690-12:
(8*1)+(7*5)+(6*7)+(5*6)+(4*9)+(3*0)+(2*1)+(1*2)=155
155 % 10 = 5
So 157690-12-5 is a valid CAS Registry Number.

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