144216-12-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 144216-12-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,2,1 and 6 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 144216-12:
(8*1)+(7*4)+(6*4)+(5*2)+(4*1)+(3*6)+(2*1)+(1*2)=96
96 % 10 = 6
So 144216-12-6 is a valid CAS Registry Number.
144216-12-6Relevant articles and documents
Synthesis of fluoro-4-hydroxyquinoline-3-carboxylic acids by the Gould-Jacobs reaction
Leyva, Elisa,Monreal, Elena,Hernandez, Alma
, p. 7 - 10 (1999)
The synthesis of several fluoro-4-hydroxyquinoline-3-carboxylic acids by the Gould-Jacobs reaction is presented. These quinolines are important intermediates for the preparation of antibacterial fluoroquinolones.
