22665-49-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22665-49-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,6,6 and 5 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 22665-49:
(7*2)+(6*2)+(5*6)+(4*6)+(3*5)+(2*4)+(1*9)=112
112 % 10 = 2
So 22665-49-2 is a valid CAS Registry Number.