20160-25-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20160-25-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,1,6 and 0 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 20160-25:
(7*2)+(6*0)+(5*1)+(4*6)+(3*0)+(2*2)+(1*5)=52
52 % 10 = 2
So 20160-25-2 is a valid CAS Registry Number.