144791-55-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 144791-55-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,7,9 and 1 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 144791-55:
(8*1)+(7*4)+(6*4)+(5*7)+(4*9)+(3*1)+(2*5)+(1*5)=149
149 % 10 = 9
So 144791-55-9 is a valid CAS Registry Number.