4872-57-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4872-57-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,8,7 and 2 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 4872-57:
(6*4)+(5*8)+(4*7)+(3*2)+(2*5)+(1*7)=115
115 % 10 = 5
So 4872-57-5 is a valid CAS Registry Number.