1108187-77-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1108187-77-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,0,8,1,8 and 7 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1108187-77:
(9*1)+(8*1)+(7*0)+(6*8)+(5*1)+(4*8)+(3*7)+(2*7)+(1*7)=144
144 % 10 = 4
So 1108187-77-4 is a valid CAS Registry Number.