16442-80-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16442-80-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,4,4 and 2 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 16442-80:
(7*1)+(6*6)+(5*4)+(4*4)+(3*2)+(2*8)+(1*0)=101
101 % 10 = 1
So 16442-80-1 is a valid CAS Registry Number.
InChI:InChI=1/C15H13ClN2O2/c16-12-7-3-1-5-10(12)14(19)9-18-15(20)11-6-2-4-8-13(11)17/h1-8H,9,17H2,(H,18,20)
16442-80-1Relevant academic research and scientific papers
Some new routes for the preparation of 3-amino-2-phenyl-4(1H)-quinolinones from anthranilamides
Hradil, Pavel,Grepl, Martin,Hlavac, Jan,Soural, Miroslav,Malon, Michal,Bertolasi, Valerio
, p. 819 - 822 (2007/10/03)
Several new routes for the preparation of 3-amino-2-phenyl-4-1(H)- quinolinone 7a are compared. The most efficient is based on the cyclization of phenacyl anthranilamide 2a in the presence of (poly)phosphoric acid. The mechanisms of the rearrangements inv
