55739-97-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55739-97-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,7,3 and 9 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 55739-97:
(7*5)+(6*5)+(5*7)+(4*3)+(3*9)+(2*9)+(1*7)=164
164 % 10 = 4
So 55739-97-4 is a valid CAS Registry Number.