5740-79-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5740-79-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,7,4 and 0 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 5740-79:
(6*5)+(5*7)+(4*4)+(3*0)+(2*7)+(1*9)=104
104 % 10 = 4
So 5740-79-4 is a valid CAS Registry Number.