54692-74-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54692-74-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,6,9 and 2 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 54692-74:
(7*5)+(6*4)+(5*6)+(4*9)+(3*2)+(2*7)+(1*4)=149
149 % 10 = 9
So 54692-74-9 is a valid CAS Registry Number.