5543-96-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5543-96-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,5,4 and 3 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 5543-96:
(6*5)+(5*5)+(4*4)+(3*3)+(2*9)+(1*6)=104
104 % 10 = 4
So 5543-96-4 is a valid CAS Registry Number.