91622-72-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91622-72-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,6,2 and 2 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 91622-72:
(7*9)+(6*1)+(5*6)+(4*2)+(3*2)+(2*7)+(1*2)=129
129 % 10 = 9
So 91622-72-9 is a valid CAS Registry Number.
91622-72-9Relevant academic research and scientific papers
Synthesis of Indoles and Isoquinolones from Phenylmalonate Heterocycles
Stadlbauer, Wolfgang,Kappe, Thomas
, p. 467 - 476 (2007/10/02)
A new synthesis of the indole system has been achieved by cyclodehydrogenation of amino phenylmalonate heterocycles.Thus, the 4-amino coumarins 1a,b or the 4-amino-2-quinolones 1c-g are converted to the indoles 2 with palladium on charcoal in boiling diph
