1187169-32-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1187169-32-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,7,1,6 and 9 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1187169-32:
(9*1)+(8*1)+(7*8)+(6*7)+(5*1)+(4*6)+(3*9)+(2*3)+(1*2)=179
179 % 10 = 9
So 1187169-32-9 is a valid CAS Registry Number.