1189489-18-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1189489-18-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,9,4,8 and 9 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1189489-18:
(9*1)+(8*1)+(7*8)+(6*9)+(5*4)+(4*8)+(3*9)+(2*1)+(1*8)=216
216 % 10 = 6
So 1189489-18-6 is a valid CAS Registry Number.