30189-96-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30189-96-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,1,8 and 9 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 30189-96:
(7*3)+(6*0)+(5*1)+(4*8)+(3*9)+(2*9)+(1*6)=109
109 % 10 = 9
So 30189-96-9 is a valid CAS Registry Number.