1189805-51-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1189805-51-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,9,8,0 and 5 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1189805-51:
(9*1)+(8*1)+(7*8)+(6*9)+(5*8)+(4*0)+(3*5)+(2*5)+(1*1)=193
193 % 10 = 3
So 1189805-51-3 is a valid CAS Registry Number.