472-74-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 472-74-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,7 and 2 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 472-74:
(5*4)+(4*7)+(3*2)+(2*7)+(1*4)=72
72 % 10 = 2
So 472-74-2 is a valid CAS Registry Number.