452304-74-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 452304-74-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,2,3,0 and 4 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 452304-74:
(8*4)+(7*5)+(6*2)+(5*3)+(4*0)+(3*4)+(2*7)+(1*4)=124
124 % 10 = 4
So 452304-74-4 is a valid CAS Registry Number.