221159-08-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 221159-08-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,1,5 and 9 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 221159-08:
(8*2)+(7*2)+(6*1)+(5*1)+(4*5)+(3*9)+(2*0)+(1*8)=96
96 % 10 = 6
So 221159-08-6 is a valid CAS Registry Number.