1189-44-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1189-44-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,8 and 9 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1189-44:
(6*1)+(5*1)+(4*8)+(3*9)+(2*4)+(1*4)=82
82 % 10 = 2
So 1189-44-2 is a valid CAS Registry Number.