1011399-89-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1011399-89-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,1,3,9 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1011399-89:
(9*1)+(8*0)+(7*1)+(6*1)+(5*3)+(4*9)+(3*9)+(2*8)+(1*9)=125
125 % 10 = 5
So 1011399-89-5 is a valid CAS Registry Number.