1111650-99-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1111650-99-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,1,1,6,5 and 0 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1111650-99:
(9*1)+(8*1)+(7*1)+(6*1)+(5*6)+(4*5)+(3*0)+(2*9)+(1*9)=107
107 % 10 = 7
So 1111650-99-7 is a valid CAS Registry Number.