22290-97-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22290-97-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,2,9 and 0 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 22290-97:
(7*2)+(6*2)+(5*2)+(4*9)+(3*0)+(2*9)+(1*7)=97
97 % 10 = 7
So 22290-97-7 is a valid CAS Registry Number.