444189-55-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 444189-55-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,4,1,8 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 444189-55:
(8*4)+(7*4)+(6*4)+(5*1)+(4*8)+(3*9)+(2*5)+(1*5)=163
163 % 10 = 3
So 444189-55-3 is a valid CAS Registry Number.