22583-61-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22583-61-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,5,8 and 3 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 22583-61:
(7*2)+(6*2)+(5*5)+(4*8)+(3*3)+(2*6)+(1*1)=105
105 % 10 = 5
So 22583-61-5 is a valid CAS Registry Number.