221106-46-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 221106-46-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,1,0 and 6 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 221106-46:
(8*2)+(7*2)+(6*1)+(5*1)+(4*0)+(3*6)+(2*4)+(1*6)=73
73 % 10 = 3
So 221106-46-3 is a valid CAS Registry Number.