53439-74-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53439-74-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,4,3 and 9 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 53439-74:
(7*5)+(6*3)+(5*4)+(4*3)+(3*9)+(2*7)+(1*4)=130
130 % 10 = 0
So 53439-74-0 is a valid CAS Registry Number.