1005111-90-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1005111-90-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,5,1,1 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1005111-90:
(9*1)+(8*0)+(7*0)+(6*5)+(5*1)+(4*1)+(3*1)+(2*9)+(1*0)=69
69 % 10 = 9
So 1005111-90-9 is a valid CAS Registry Number.