17015-31-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17015-31-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,0,1 and 5 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 17015-31:
(7*1)+(6*7)+(5*0)+(4*1)+(3*5)+(2*3)+(1*1)=75
75 % 10 = 5
So 17015-31-5 is a valid CAS Registry Number.