57625-54-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57625-54-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,6,2 and 5 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 57625-54:
(7*5)+(6*7)+(5*6)+(4*2)+(3*5)+(2*5)+(1*4)=144
144 % 10 = 4
So 57625-54-4 is a valid CAS Registry Number.
57625-54-4Relevant academic research and scientific papers
Isoquinoquinolones from Phenyl Malonylheterocycles
Stadlbauer, Wolfgang,Kappe, Thomas
, p. 751 - 760 (2007/10/02)
The reaction of 3-Phenyl-4-hydroxy-2-quinolones (1) and benzylammonium chloride yields the 4-aminocompounds 2 as main products.The isoquino-condensed quinolones 3 are formed as by-products.Thermolysis of 4-benzylamino-2-quinolones (4) affords also 3.Bette
