191979-99-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 191979-99-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,1,9,7 and 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 191979-99:
(8*1)+(7*9)+(6*1)+(5*9)+(4*7)+(3*9)+(2*9)+(1*9)=204
204 % 10 = 4
So 191979-99-4 is a valid CAS Registry Number.
191979-99-4Relevant academic research and scientific papers
Novel Synthesis of 2-Cyanoindan-1-one Enamines
Harvey, Alan L.,MacTavish, John,Mullins, Steven J.,Proctor, George R.
, p. 420 - 421 (2007/10/03)
A novel method is described for conversion of indan-1-one into enamines of 2-cyanoindan-1-one and thence to 10-amino-11W-indeno[1,2-b]quinolines (11).