136787-89-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 136787-89-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,7,8 and 7 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 136787-89:
(8*1)+(7*3)+(6*6)+(5*7)+(4*8)+(3*7)+(2*8)+(1*9)=178
178 % 10 = 8
So 136787-89-8 is a valid CAS Registry Number.
136787-89-8Relevant academic research and scientific papers
A NEW SYNTHESIS OF N-TOSYLINDOLE FROM ANILINE VIA ORTHO-SUBSTITUTED N-TOSYLANILIDES
Murai, Yasushi,Masuda, Gen,Inoue, Seiichi,Sato, Kikumasa
, p. 1377 - 1386 (2007/10/02)
A simple and very efficient synthesis of N-tosylindole is described, based on the acid-catalysed cyclization of ortho-alkylated N-tosylanilides, which can be prepared from aniline and dialkyl sulfide by sigmatropic rearrangements.
