1011945-42-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1011945-42-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,1,9,4 and 5 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1011945-42:
(9*1)+(8*0)+(7*1)+(6*1)+(5*9)+(4*4)+(3*5)+(2*4)+(1*2)=108
108 % 10 = 8
So 1011945-42-8 is a valid CAS Registry Number.