191105-10-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 191105-10-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,1,1,0 and 5 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 191105-10:
(8*1)+(7*9)+(6*1)+(5*1)+(4*0)+(3*5)+(2*1)+(1*0)=99
99 % 10 = 9
So 191105-10-9 is a valid CAS Registry Number.