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27680-31-5

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27680-31-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 27680-31-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,6,8 and 0 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 27680-31:
(7*2)+(6*7)+(5*6)+(4*8)+(3*0)+(2*3)+(1*1)=125
125 % 10 = 5
So 27680-31-5 is a valid CAS Registry Number.

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