144789-68-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 144789-68-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,7,8 and 9 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 144789-68:
(8*1)+(7*4)+(6*4)+(5*7)+(4*8)+(3*9)+(2*6)+(1*8)=174
174 % 10 = 4
So 144789-68-4 is a valid CAS Registry Number.