5055-09-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5055-09-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,0,5 and 5 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 5055-09:
(6*5)+(5*0)+(4*5)+(3*5)+(2*0)+(1*9)=74
74 % 10 = 4
So 5055-09-4 is a valid CAS Registry Number.