1444254-42-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1444254-42-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,4,2,5 and 4 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1444254-42:
(9*1)+(8*4)+(7*4)+(6*4)+(5*2)+(4*5)+(3*4)+(2*4)+(1*2)=145
145 % 10 = 5
So 1444254-42-5 is a valid CAS Registry Number.