21016-06-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21016-06-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,0,1 and 6 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 21016-06:
(7*2)+(6*1)+(5*0)+(4*1)+(3*6)+(2*0)+(1*6)=48
48 % 10 = 8
So 21016-06-8 is a valid CAS Registry Number.