40731-08-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40731-08-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,7,3 and 1 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 40731-08:
(7*4)+(6*0)+(5*7)+(4*3)+(3*1)+(2*0)+(1*8)=86
86 % 10 = 6
So 40731-08-6 is a valid CAS Registry Number.
40731-08-6Relevant academic research and scientific papers
A convenient synthesis of 3,5-disubstituted 2-acetylindoles
Rajur,Merwade,Basanagoudar
, p. 421 - 428 (2007/10/02)
An easy synthesis of 3,5-disubstituted-2-actylindoles by the HCl cyclization of the corresponding phenylhydrazones is described.
