61280-03-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 61280-03-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,2,8 and 0 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 61280-03:
(7*6)+(6*1)+(5*2)+(4*8)+(3*0)+(2*0)+(1*3)=93
93 % 10 = 3
So 61280-03-3 is a valid CAS Registry Number.