457653-05-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 457653-05-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,7,6,5 and 3 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 457653-05:
(8*4)+(7*5)+(6*7)+(5*6)+(4*5)+(3*3)+(2*0)+(1*5)=173
173 % 10 = 3
So 457653-05-3 is a valid CAS Registry Number.