389130-66-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 389130-66-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,9,1,3 and 0 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 389130-66:
(8*3)+(7*8)+(6*9)+(5*1)+(4*3)+(3*0)+(2*6)+(1*6)=169
169 % 10 = 9
So 389130-66-9 is a valid CAS Registry Number.