1191028-29-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1191028-29-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,1,0,2 and 8 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1191028-29:
(9*1)+(8*1)+(7*9)+(6*1)+(5*0)+(4*2)+(3*8)+(2*2)+(1*9)=131
131 % 10 = 1
So 1191028-29-1 is a valid CAS Registry Number.