5611-99-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5611-99-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,6,1 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 5611-99:
(6*5)+(5*6)+(4*1)+(3*1)+(2*9)+(1*9)=94
94 % 10 = 4
So 5611-99-4 is a valid CAS Registry Number.