452342-49-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 452342-49-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,2,3,4 and 2 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 452342-49:
(8*4)+(7*5)+(6*2)+(5*3)+(4*4)+(3*2)+(2*4)+(1*9)=133
133 % 10 = 3
So 452342-49-3 is a valid CAS Registry Number.