1100-05-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1100-05-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,0 and 0 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1100-05:
(6*1)+(5*1)+(4*0)+(3*0)+(2*0)+(1*5)=16
16 % 10 = 6
So 1100-05-6 is a valid CAS Registry Number.