1033430-89-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1033430-89-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,3,4,3 and 0 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1033430-89:
(9*1)+(8*0)+(7*3)+(6*3)+(5*4)+(4*3)+(3*0)+(2*8)+(1*9)=105
105 % 10 = 5
So 1033430-89-5 is a valid CAS Registry Number.