115205-91-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 115205-91-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,5,2,0 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 115205-91:
(8*1)+(7*1)+(6*5)+(5*2)+(4*0)+(3*5)+(2*9)+(1*1)=89
89 % 10 = 9
So 115205-91-9 is a valid CAS Registry Number.