5599-45-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5599-45-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,5,9 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 5599-45:
(6*5)+(5*5)+(4*9)+(3*9)+(2*4)+(1*5)=131
131 % 10 = 1
So 5599-45-1 is a valid CAS Registry Number.