1188909-18-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1188909-18-3 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 8 respectively.
Calculate Digit Verification of CAS Registry Number 1188909-18:
(9*1)+(8*1)+(7*8)+(6*8)+(5*9)+(4*0)+(3*9)+(2*1)+(1*8)=203
203 % 10 = 3
So 1188909-18-3 is a valid CAS Registry Number.