444880-23-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 444880-23-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,4,8,8 and 0 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 444880-23:
(8*4)+(7*4)+(6*4)+(5*8)+(4*8)+(3*0)+(2*2)+(1*3)=163
163 % 10 = 3
So 444880-23-3 is a valid CAS Registry Number.