861571-31-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 861571-31-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,1,5,7 and 1 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 861571-31:
(8*8)+(7*6)+(6*1)+(5*5)+(4*7)+(3*1)+(2*3)+(1*1)=175
175 % 10 = 5
So 861571-31-5 is a valid CAS Registry Number.