144998-72-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 144998-72-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,9,9 and 8 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 144998-72:
(8*1)+(7*4)+(6*4)+(5*9)+(4*9)+(3*8)+(2*7)+(1*2)=181
181 % 10 = 1
So 144998-72-1 is a valid CAS Registry Number.