110990-16-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 110990-16-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,0,9,9 and 0 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 110990-16:
(8*1)+(7*1)+(6*0)+(5*9)+(4*9)+(3*0)+(2*1)+(1*6)=104
104 % 10 = 4
So 110990-16-4 is a valid CAS Registry Number.