216222-68-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 216222-68-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,6,2,2 and 2 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 216222-68:
(8*2)+(7*1)+(6*6)+(5*2)+(4*2)+(3*2)+(2*6)+(1*8)=103
103 % 10 = 3
So 216222-68-3 is a valid CAS Registry Number.