190778-54-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 190778-54-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,0,7,7 and 8 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 190778-54:
(8*1)+(7*9)+(6*0)+(5*7)+(4*7)+(3*8)+(2*5)+(1*4)=172
172 % 10 = 2
So 190778-54-2 is a valid CAS Registry Number.
190778-54-2Relevant academic research and scientific papers
Synthesis of β-enaminoesters and lactams by Michael addition of N- benzylaniline to new allenic esters and lactams
Ibrahim-Ouali, Malika,Sinibaldi, Marie-Eve,Troin, Yves,Gardette, Daniel,Gramain, Jean-Claude
, p. 1827 - 1848 (2007/10/03)
The synthesis of original allenic lactams 2 and allenic esters 5 is presented and their Michael condensation with N-benzylaniline described.