454-61-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 454-61-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,5 and 4 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 454-61:
(5*4)+(4*5)+(3*4)+(2*6)+(1*1)=65
65 % 10 = 5
So 454-61-5 is a valid CAS Registry Number.