222712-67-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 222712-67-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,2,7,1 and 2 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 222712-67:
(8*2)+(7*2)+(6*2)+(5*7)+(4*1)+(3*2)+(2*6)+(1*7)=106
106 % 10 = 6
So 222712-67-6 is a valid CAS Registry Number.