159016-22-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 159016-22-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,0,1 and 6 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 159016-22:
(8*1)+(7*5)+(6*9)+(5*0)+(4*1)+(3*6)+(2*2)+(1*2)=125
125 % 10 = 5
So 159016-22-5 is a valid CAS Registry Number.