6611-49-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6611-49-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,6,1 and 1 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 6611-49:
(6*6)+(5*6)+(4*1)+(3*1)+(2*4)+(1*9)=90
90 % 10 = 0
So 6611-49-0 is a valid CAS Registry Number.