455-78-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 455-78-7 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 5 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 455-78:
(5*4)+(4*5)+(3*5)+(2*7)+(1*8)=77
77 % 10 = 7
So 455-78-7 is a valid CAS Registry Number.