142072-81-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142072-81-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,0,7 and 2 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 142072-81:
(8*1)+(7*4)+(6*2)+(5*0)+(4*7)+(3*2)+(2*8)+(1*1)=99
99 % 10 = 9
So 142072-81-9 is a valid CAS Registry Number.
142072-81-9Relevant academic research and scientific papers
A regioselective entry to azirino[1,2-a]indole derivatives by epoxidation/Staudinger reaction of o-allylphenyl azides
Molina,Alajarin,Lopez-Lazaro
, p. 2387 - 2390 (2007/10/02)
On treatment with triphenylphosphine epoxy-azides 2 form azirino[1,2-a]indoles 6 via Staudinger type aminocyclization reaction.