222972-44-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 222972-44-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,2,9,7 and 2 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 222972-44:
(8*2)+(7*2)+(6*2)+(5*9)+(4*7)+(3*2)+(2*4)+(1*4)=133
133 % 10 = 3
So 222972-44-3 is a valid CAS Registry Number.