1184991-32-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1184991-32-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,4,9,9 and 1 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1184991-32:
(9*1)+(8*1)+(7*8)+(6*4)+(5*9)+(4*9)+(3*1)+(2*3)+(1*2)=189
189 % 10 = 9
So 1184991-32-9 is a valid CAS Registry Number.