54798-74-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54798-74-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,7,9 and 8 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 54798-74:
(7*5)+(6*4)+(5*7)+(4*9)+(3*8)+(2*7)+(1*4)=172
172 % 10 = 2
So 54798-74-2 is a valid CAS Registry Number.