1189107-24-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1189107-24-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,9,1,0 and 7 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1189107-24:
(9*1)+(8*1)+(7*8)+(6*9)+(5*1)+(4*0)+(3*7)+(2*2)+(1*4)=161
161 % 10 = 1
So 1189107-24-1 is a valid CAS Registry Number.