1188909-17-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1188909-17-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,8,9,0 and 9 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1188909-17:
(9*1)+(8*1)+(7*8)+(6*8)+(5*9)+(4*0)+(3*9)+(2*1)+(1*7)=202
202 % 10 = 2
So 1188909-17-2 is a valid CAS Registry Number.