1100747-72-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1100747-72-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,0,0,7,4 and 7 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1100747-72:
(9*1)+(8*1)+(7*0)+(6*0)+(5*7)+(4*4)+(3*7)+(2*7)+(1*2)=105
105 % 10 = 5
So 1100747-72-5 is a valid CAS Registry Number.