1089100-76-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1089100-76-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,8,9,1,0 and 0 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1089100-76:
(9*1)+(8*0)+(7*8)+(6*9)+(5*1)+(4*0)+(3*0)+(2*7)+(1*6)=144
144 % 10 = 4
So 1089100-76-4 is a valid CAS Registry Number.