22980-59-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22980-59-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,9,8 and 0 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 22980-59:
(7*2)+(6*2)+(5*9)+(4*8)+(3*0)+(2*5)+(1*9)=122
122 % 10 = 2
So 22980-59-2 is a valid CAS Registry Number.