158019-25-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158019-25-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,0,1 and 9 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 158019-25:
(8*1)+(7*5)+(6*8)+(5*0)+(4*1)+(3*9)+(2*2)+(1*5)=131
131 % 10 = 1
So 158019-25-1 is a valid CAS Registry Number.