22217-93-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22217-93-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,2,1 and 7 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 22217-93:
(7*2)+(6*2)+(5*2)+(4*1)+(3*7)+(2*9)+(1*3)=82
82 % 10 = 2
So 22217-93-2 is a valid CAS Registry Number.