54673-39-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54673-39-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,6,7 and 3 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 54673-39:
(7*5)+(6*4)+(5*6)+(4*7)+(3*3)+(2*3)+(1*9)=141
141 % 10 = 1
So 54673-39-1 is a valid CAS Registry Number.