1017030-75-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1017030-75-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,7,0,3 and 0 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1017030-75:
(9*1)+(8*0)+(7*1)+(6*7)+(5*0)+(4*3)+(3*0)+(2*7)+(1*5)=89
89 % 10 = 9
So 1017030-75-9 is a valid CAS Registry Number.