31165-25-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31165-25-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,1,6 and 5 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 31165-25:
(7*3)+(6*1)+(5*1)+(4*6)+(3*5)+(2*2)+(1*5)=80
80 % 10 = 0
So 31165-25-0 is a valid CAS Registry Number.