222173-67-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 222173-67-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,2,1,7 and 3 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 222173-67:
(8*2)+(7*2)+(6*2)+(5*1)+(4*7)+(3*3)+(2*6)+(1*7)=103
103 % 10 = 3
So 222173-67-3 is a valid CAS Registry Number.