1103501-77-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1103501-77-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,0,3,5,0 and 1 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1103501-77:
(9*1)+(8*1)+(7*0)+(6*3)+(5*5)+(4*0)+(3*1)+(2*7)+(1*7)=84
84 % 10 = 4
So 1103501-77-4 is a valid CAS Registry Number.