79945-54-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79945-54-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,9,4 and 5 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 79945-54:
(7*7)+(6*9)+(5*9)+(4*4)+(3*5)+(2*5)+(1*4)=193
193 % 10 = 3
So 79945-54-3 is a valid CAS Registry Number.