118837-11-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 118837-11-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,8,3 and 7 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 118837-11:
(8*1)+(7*1)+(6*8)+(5*8)+(4*3)+(3*7)+(2*1)+(1*1)=139
139 % 10 = 9
So 118837-11-9 is a valid CAS Registry Number.